| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 489 | 34.0mm | Exhaust | |||
| REC 377 | 250cc | 31.0mm | Exhaust | ||
| REC 374 | 350cc | 39.0mm | Inlet | ||
| REC 375 | 350cc | 33.0mm | Exhaust |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 360 | Ducati 125cc | 32.0mm | Inlet | ||
| REC 361 | Ducati 125cc | 27.6mm | Exhaust | ||
| REC 362 | Ducati 200cc | 36.8mm | Inlet | ||
| REC 363 | Ducati 200cc | 32.5mm | Exhaust | ||
| REC 338 | Ducati 250cc / 350cc | 40.9mm | Inlet | ||
| REC 339 | Ducati 250cc / 350cc | 34.9mm | Exhaust | ||
| REC 702/1 | Ducati | 38.0mm | Inlet | Flat Back | 62.1 |
| REC 703/1 | Ducati | 32.0mm | Exhaust | Flat Back | 56.3 |
| REC 595/1 | Ducati Super Mono | 36.0mm Std. H/D | Inlet | Flat Back | 58.4 |
| REC 593/1 | Ducati Super Mono | 37.0mm | Inlet | Flat Back | 60.1 |
| REC 594/1 | Ducati Super Mono | 31.0mm Std. H/D | Exhaust | Flat Back | 54.3 |
| REC 714 | Ducati 748BP 1994 - 1999 | 32.0mm | Inlet | Flat Back | |
| REC 729 | Ducati 748BP 1994 - 1999 | 33.0mm Std. H/D | Inlet | Flat Back | |
| REC 715 | Ducati 748BP 1994 - 1999 | 29.0mm Std. H/D | Exhaust | Flat Back | |
| REC 608/1 | Ducati 748RS, 888 1991 - 1994 | 34.0mm Std. H/D | Inlet | Flat Back | 55.1 |
| REC 606/1 | Ducati 748RS, 888 1991 - 1994 | 36.0mm | Inlet | Flat Back | 58.6 |
| REC 737 | Ducati 748RS, 888 1991 - 1994 | 39.0mm | Inlet | Flat Back | 64.1 |
| REC 609/1 | Ducati 748RS, 888 1991 - 1994 | 30.0mm Std. H/D | Exhaust | Flat Back | 54.0 |
| REC 607/1 | Ducati 748RS, 888 1991 - 1994 | 31.0mm | Exhaust | Flat Back | 54.3 |
| REC 738 | Ducati 748RS, 888 1991 - 1994 | 32.0mm | Exhaust | Flat Back | 58.1 |
| REC 738 | Ducati 851 1987 - 1992 | 32.0mm | Inlet | Flat Back | 58.1 |
| REC 593/1 | Ducati 916 1994 - 1998 | 37.0mm Std. H/D | Inlet | Flat Back | 60.1 |
| REC 594/1 | Ducati 916 1994 - 1998 | 31.0mm Std. H/D | Exhaust | Flat Back | 54.3 |
| REC 873 | Ducati | 40.0mm Std. H/D | Inlet | Flat Back | 63.7 |
| REC 874 | Ducati | 33.0mm Std. H/D | Exhaust | Flat Back | 54.3 |
| REC | Ducati 996 | 39.0mm | Inlet | O/E Titanium 39.7g | |
| REC | Ducati 996 | 32.0mm | Exhaust | ||
| REC 873 | Ducati 996R 2001 - On | 40.0mm Std. H/D | Inlet | Flat Back | |
| REC 874 | Ducati 996R 2001 - On | 33.0mm Std. H/D | Exhaust | Flat Back |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 873 | Ducati 998, 998R, 998S, 998 Testastretta | 40.0mm Std. H/D | Inlet | Flat Back | |
| REC 874 | Ducati 998, 998R, 998S, 998 Testastretta | 33.0mm Std. H/D | Exhaust | Flat Back | |
| REC 873 | Ducati 999, 999S 2003 - On | 40.0mm Std. H/D | Inlet | Flat Back | |
| REC 874 | Ducati 999, 999S 2003 - On | 33.0mm Std. H/D | Exhaust | Flat Back | |
| REC 873 | Ducati Monster S4RS | 40.0mm Std. H/D | Inlet | Flat Back | |
| REC 874 | Ducati Monster S4RS | 33.0mm Std. H/D | Exhaust | Flat Back | |
| REC | Ducati RS02 998cc | 42.0mm | Inlet | O/E Titanium 39.8g | |
| REC | Ducati RS02 998cc | 34.0mm | Exhaust | O/E Titanium 31.9g | |
| REC | Ducati F02-F04 999cc | 43.5mm | Inlet | O/E Titanium 41.1g | |
| REC | Ducati F02-F04 999cc | 35.5mm | Exhaust | O/E Titanium 33.6g |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 327 | 35.0mm | Inlet | |||
| REC 328 | 28.6mm | Exhaust | |||
| REC 421 | Speedway | 33.3mm | Inlet | ||
| REC 422 | Speedway | 28.8mm | Exhaust |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 733 | Honda Africa (Twin) | 27.0mm | Inlet | O/S. H/D +1mm | |
| REC | Honda CB72 | 33.5mm | Inlet | ||
| REC | Honda CB72 | 27.5mm | Exhaust | ||
| REC 406 | Honda CB77 | 33.2mm | Inlet | Dished | 44.7 |
| REC 407 | Honda CB77 | 28.0mm | Exhaust | Dished | 39.6 |
| REC 340 | Honda CB350 K0 to K4 350cc 1968 - 73 | 35.0mm | Inlet | Dished, Round Groove, O/S H/D +1mm | 48.8 |
| REC 689 | Honda CB350 K0 to K4 350cc 1968 - 73 | 35.0mm | Inlet | 5.5mm Stem’s, O/S H/D +1mm | |
| REC 579 | Honda CB350 K0 to K4 350cc 1968 - 73 | 36.0mm | Inlet | Dished, Round Groove, O/S H/D +2mm | |
| REC 341 | Honda CB350 K0 to K4 350cc 1968 - 73 | 28.0mm | Exhaust | Dished, Round Groove, Std. H/D | 42.4 |
| REC 690 | Honda CB350 K0 to K4 350cc 1968 - 73 | 28.0mm | Exhaust | 5.5mm Stem’s, Std. H/D | |
| REC 580 | Honda CB350 K0 to K4 350cc 1968 - 73 | 29.0mm | Exhaust | Dished, Round Groove, O/S H/D +1mm | |
| 38551 | Honda CB450, (Torsion Bar Springs) | 38.0mm | Inlet | 1.50mm Seat, Dished, Square Groove | 61.0 |
| 38552 | Honda CB450, (Torsion Bar Springs) | 33.0mm | Exhaust | 2.15mm Seat, Dished, Square Groove | 54.5 |
| REC | Honda CB500 (4 Cyl) 1972. | 27.5mm Std. H/D | Inlet | ||
| REC | Honda CB500 (4 Cyl.) 1972 | 23.0mm Std. H/D | Exhaust |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC | Honda CB1100R | 26.0mm | Inlet | ||
| REC 735/1 | Honda CBR600F3 1995 - 1998 | 25.5mm Std. H/D | Inlet | Dished, Std. Head Shape Std. Length | 18.4 |
| REC 735 | Honda CBR600F3 1995 - 1998 | 25.5mm Std. H/D | Inlet | Dished, Std. Length | 18.2 |
| REC 603 | Honda CBR600F3 1995 - 1998 | 25.5mm Std. H/D | Inlet | Flat Back, Std. Length | 19.0 |
| REC 603/1 | Honda CBR600F3 1995 - 1998 | 25.5mm Std. H/D | Inlet | Flat back, Seat to Groove +0.381mm Length +0.381mm, 1.8mm Seat | 19.2 |
| REC 603/2 | Honda CBR600F3 1995 - 1998 | 25.5mm Std. H/D | Inlet | Flat Back, Seat to Groove +0.381mm Length +0.381mm, 1.0mm Seat, Flat Back | 18.5 |
| REC 736/1 | Honda CBR600F3 1995 - 1998 | 22.0mm Std. H/D | Exhaust | Dished, Std. Head Shape, Std. Length | 16.0 |
| REC 736 | Honda CBR600F3 1995 - 1998 | 22.0mm Std. H/D | Exhaust | Dished, Std. Length | 15.7 |
| REC 604 | Honda CBR600F3 1995 - 1998 | 22.0mm Std. H/D | Exhaust | Flat Back, Std. Length | 16.0 |
| REC 604/1 | Honda CBR600F3 1995 - 1998 | 22.0mm Std. H/D | Exhaust | Seat to Groove + 0.381mm Length +0.381mm, Flat Back | 16.4 |
| REC 759 | Honda CBR600F4/FX/FY 1998 - 2000 | 26.5mm Std. H/D | Inlet | 1mm Seat, Std. Length, Dished | 20.0 |
| REC 759/1 | Honda CBR600F4/FX/FY 1998 - 2000 | 26.5mm Std. H/D | Inlet | 1mm Seat, Std. Length, Dished, Kit, SK4 | 20.0 |
| REC 760 | Honda CBR600F4/FX/FY 1998 - 2000 | 23.0mm Std. H/D | Exhaust | 1.5mm Seat, Dished | 16.3 |
| REC 760/1 | Honda CBR600F4/FX/FY 1998 - 2000 | 23.0mm Std. H/D | Exhaust | 1.5mm Seat, Dished, Kit, SK4 Collets | 16.3 |
| REC 813 | Honda CBR600RR3, RR5 2003 - 2006 | 27.4mm Std. H/D | Inlet | 1.25mm Seat, Flat Back, Blue Spring | 22.3 |
| REC 814 | Honda CBR600RR3, RR5 2003 - 2006 | 23.0mm Std. H/D | Exhaust | 2.0mm Seat, Flat Back, Orange Spring | 18.0 |
| REC | Honda CBR600RR7 2007 - On | 27.5mm Std. H/D | Inlet | Flat Back | |
| REC | Honda CBR600RR7 2007 - On | 22.5mm Std. H/D | Exhaust | Flat Back | |
| REC 682 | Honda CBR900RR Fireblade 1992 - 1997 | 27.5mm Std. H/D | Inlet | Flat Back, Carburetor Engine | 24.4 |
| REC 680 | Honda CBR900RR Fireblade 1992 - 1997 | 28.5mm | Inlet | Flat Back, Carburetor Engine | 25.7 |
| REC 683 | Honda CBR900RR Fireblade 1992 - 1997 | 23.0mm Std. H/D | Exhaust | Flat Back, Carburetor Engine | 20.6 |
| REC 681 | Honda CBR900RR Fireblade 1992 - 1997 | 24.0mm | Exhaust | Flat Back, Carburetor Engine | 21.6 |
| REC 853 | Honda CBR1000RR Fireblade 2004 - On | 29.0mm Std. H/D | Inlet | Seat 1.0mm, Flat back | 26.4 |
| REC 854 | Honda CBR1000RR Fireblade 2004 - On | 24.0mm Std. H/D | Exhaust | Seat 1.5mm, Flat Back | 20.0 |
| REC 769 | Honda CBR1100XX Blackbird 1997 - 99 | 32.0mm Std. H/D | Inlet | Pre-Injection, Flat Back Seat to Groove -0.254mm, Std. Length | 32.1 |
| REC 771 | Honda CBR1100XX Blackbird 1997 - 99 | 33.0mm | Inlet | Pre-Injection, Flat Back Seat to Groove -0.254mm, Std. Length | 33.7 |
| REC 770 | Honda CBR1100XX Blackbird 1997 - 99 | 27.0mm Std. H/D | Exhaust | Pre-Injection, Flat Back Seat to Groove -0.254mm, Std. Length | 27.3 |
| REC 772 | Honda CBR1100XX Blackbird 1997 - 99 | 28.0mm | Exhaust | Pre-Injection, Flat Back Seat to Groove -0.254mm, Std. Length | 28.4 |
| REC | Honda CBX1000 (6 Cyl.) | 22.0mm Std. H/D | Exhaust |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC | Honda CRF150F 2005 - On | 26.0mm Std. H/D | Inlet | ||
| REC | Honda CRF150F 2005 - On | 22.5mm Std. H/D | Exhaust | ||
| REC 866 | Honda CRF250R (4 Valve) | 31.0mm Std. H/D | Inlet | O/E Titanium 18.2g | 26.3 |
| REC 867 | Honda CRF250R (4 Valve) | 26.0mm Std. H/D | Exhaust | O/E Steel | 25.3 |
| REC | Honda CRF450F (4 Valve) | 36mm Std. H/D | Inlet | O/E Titanium 25.7g | 34.5 |
| REC | Honda GL1000 | 32mm | Exhaust | ||
| REC | Honda RC173 | 21.5mm | Inlet | ||
| REC 717 | Honda VFR400R NC30 400cc 1989 - 92 | 22.5mm | Inlet | Flat Back | 17.4 |
| REC 718 | Honda VFR400R NC30 400cc 1989 - 92 | 19.2mm | Exhaust | Flat Back | 15.5 |
| REC 717 | Honda RVF400R NC35 400cc 1994 - 96 | 22.5mm | Inlet | Flat Back | 17.4 |
| REC 718 | Honda RVF400R NC35 400cc 1994 - 96 | 19.2mm | Exhaust | Flat Back | 15.5 |
| REC 635 | Honda VFR750R RC30 750cc 1987 - 90 | 28.0mm Std. H/D | Inlet | Dished | 24.3 |
| REC 418 | Honda VFR750R RC30 750cc 1987 - 90 | 28.5mm | Inlet | Dished | |
| REC 419 | Honda VFR750R RC30 750cc 1987 - 90 | 29.0mm | Inlet | Dished | 27.4 |
| REC 419SS | Honda VFR750R RC30 750cc 1987 - 90 | 29.0mm | Inlet | Stellite Seat, Dished | 27.4 |
| REC 636 | Honda VFR750R RC30 750cc 1987 - 90 | 24.5mm Std. H/D | Exhaust | Dished | 21.9 |
| REC 420 | Honda VFR750R RC30 750cc 1987 - 90 | 25.5mm | Exhaust | Dished | 23.3 |
| REC 629 | Honda RFV750R RC45 750cc 1994 - 95 | 29.0mm Std. H/D | Inlet | Std. Length, Flat Underhead & Backs | 26.9 |
| REC 633 | Honda RFV750R RC45 750cc 1994 - 95 | 29.0mm Std. H/D | Inlet | Seat to Groove -0.3mm, Length -0.3mm Flat Underhead & Backs | 26.9 |
| REC 633SS | Honda RFV750R RC45 750cc 1994 - 95 | 29.0mm Std. H/D | Inlet | Stellite Seat, Seat to Groove -0.3mm, Length -0.3mm, Flat Underhead & Backs, | 26.9 |
| REC 630 | Honda RFV750R RC45 750cc 1994 - 95 | 24.5mm Std. H/D | Exhaust | Std. Length, Flat Underhead & Backs | 23.0 |
| REC 634 | Honda RFV750R RC45 750cc 1994 - 95 | 24.5mm Std. H/D | Exhaust | Seat to Groove -0.3mm, Length- 0.3mm Flat Underhead & Backs | 23.0 |
| REC 336 | Honda XL500 500cc 1979 - 1982 | 35.5mm | Inlet | Dished | 56.3 |
| REC 337 | Honda XL500 500cc 1979 - 1982 | 31.0mm | Exhaust | Dished | 45.0 |
| REC 378 | Honda XL600 589cc 1983 - 1987 | 35.7mm | Inlet | Radial Head, Dished | 49.1 |
| REC 379 | Honda XL600 589cc 1983 - 1987 | 31.0mm | Exhaust | Radial Head, Dished | 50.9 |
| REC | Honda XRV750 V-Twin | 27.25mm Std. H/D | Inlet | (x2) | |
| REC | Honda XRV750 V-Twin | 33.5mm Std. H/D | Exhaust | (x1) | |
| 52215 | Honda VTR1000F 1997 - 2005 | 38mm Std. H/D | Inlet | Flat Back | 60.6 |
| 52159 | Honda VTR1000F 1997 - 2005 | 39mm | Inlet | O/S. H/D +1mm, Flat Back | 62.8 |
| 52228 | Honda VTR1000F 1997 - 2005 | 34mm Std. H/D | Exhaust | Flat Back | 53.8 |
| 52160 | Honda VTR1000F 1997 - 2005 | 35mm | Exhaust | O/S H/D +1mm, Flat Back | 56.5 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 671 | 350cc | 31.0mm | Inlet | ||
| REC 672 | 350cc | 27.0mm | Exhaust | ||
| REC 506 | 500cc | 35.0mm | Inlet | ||
| REC 507 | 500cc | 30.0mm | Exhaust |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 844 | Husqvarna TE 250cc, 2003 - On | 29.0mm Std. H/D | Inlet | O/E Titanium 17.4g | 25.3 |
| REC 845 | Husqvarna TE 250cc, 2003 - On | 24.0mm Std. H/D | Exhaust | O/E Titanium 13.0g | 21.0 |
| REC 515 | Husqvarna TE 350cc | 32.5mm | Inlet | Dished | 44.1 |
| REC 516 | Husqvarna TE 350cc | 27.0mm | Exhaust | Dished | 36.3 |
| REC 847 | Husqvarna TE 450cc, 2004 - 2006 | 33.0mm Std. H/D | inlet | O/E Titanium 22.5g | 32.3 |
| REC 848 | Husqvarna TE 450cc, 2004 - 2006 | 28.6mm Std. H/D | exhaust | O/E Titanium 16.5g | 25.5 |
| REC 894 | Husqvarna TE 450cc 2006 - On | 37.0mm | Inlet | Flat Back | 42.3 |
| REC 895 | Husqvarna TE 450cc 2006 - On | 31.0mm | Exhaust | Flat Back | 32.5 |
| REC 452 | Husqvarna 510cc | 34.7mm | Inlet | Dished | 48.7 |
| REC 453 | Husqvarna 510cc | 30.0mm | Exhaust | Dished | 38.2 |
| REC 894 | Husqvarna 510cc 2006 - On | 37.0mm | Inlet | Flat Back | 42.3 |
| REC 895 | Husqvarna 510cc 2006 - On | 31.0mm | Exhaust | Flat Back | 32.5 |
| REC 544 | Husqvarna 610cc | 36.0mm | Inlet | Dished | 51.4 |
| REC 545 | Husqvarna 610cc | 32.5mm | Exhaust | Dished | 43.0 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 321 | 34.0mm | Inlet | |||
| REC 322 | 29.0mm | Exhaust |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 939 | Kawasaki ER6 Ninja 650cc 2006-2017 | 34.0mm | Inlet | O/S H/D +1.2mm Flat Backs | |
| REC 940 | Kawasaki ER6 Ninja 650cc 2006-2017 | 28.0mm | Exhaust | O/S H/D +0.2mm Flat Backs | |
| REC 638 | Kawasaki KLX250 | 29.0mm | Inlet | Flat Back | 20.6 |
| REC 896 | Kawasaki KX250F | 31.0mm Std. H/D | Inlet | O/E Titanium 16.0g | 24.8 |
| REC 897 | Kawasaki KX250F | 24.9mm Std. H/D | Exhaust | O/E Titanium 12.6g | 18.8 |
| REC | Kawasaki KZ1300 | 31.0mm | |||
| REC | Kawasaki GPZ550 | 28.0mm | Inlet | ||
| REC 449 | Kawasaki GPZ600R | 22.5mm | Inlet | Flat Back | 20.9 |
| REC 450 | Kawasaki GPZ600R | 20.0mm | Exhaust | Flat Back | 18.3 |
| REC | Kawasaki GPZ900R | 29.0mm | Inlet |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 481 | Kawasaki Z900 1972 - 1976 | 36.0mm Std. H/D | Inlet | Dished | 52.2 |
| REC 482 | Kawasaki Z900 1972 - 1976 | 37.0mm | Inlet | Dished | 55.5 |
| REC 483 | Kawasaki Z900 1972 - 1976 | 30.0mm Std. H/D | Exhaust | Dished | 49.4 |
| REC 484 | Kawasaki Z900 1972 - 1976 | 31.0mm | Exhaust | Dished | 47.8 |
| REC | Kawasaki ZX10 | 31.0mm Std. H/D | Inlet | O/E Steel | 25.6 |
| REC | Kawasaki ZX10 | 25.5mm Std. H/D | Exhaust | O/E Titanium 13.7g | 20.0 |
| REC 657/1 | Kawasaki ZX6R 1995 - On | 27.0mm Std. H/D | Inlet | Std. Groove, Flat Back | 19.7 |
| REC 657 | Kawasaki ZX6R 1995 - On | 27.0mm Std. H/D | Inlet | Flat Back, Kit, SK4 Collets | 19.8 |
| REC 657K | Kawasaki ZX6R 1995 - On | 27.0mm Std. H/D | Inlet | Flat Back, Modified Underhead, Kit, SK4 | 19.3 |
| REC 797 | Kawasaki ZX6R 1995 - On | 27.0mm Std. H/D | Inlet | Flat Back, Length -0.2mm Seat to Groove -0.2mm, Kit, SK4 Collets | 19.2 |
| REC 658/1 | Kawasaki ZX6R 1995 - On | 22.5mm Std. H/D | Exhaust | Std. Groove, Flat Back | 17.3 |
| REC 658 | Kawasaki ZX6R 1995 - On | 22.5mm Std. H/D | Exhaust | Flat Back, Kit, SK4 Collets | 17.3 |
| REC 809/1 | Kawasaki ZX6RR 2002 - 2004 | 27.0mm Std. H/D | Inlet | Dished, Kit, SK4 Collets | 20.1 |
| REC 810/1 | Kawasaki ZX6RR 2002 - 2004 | 22.6mm Std. H/D | Exhaust | Dished, Kit, SK4 Collets | 17.9 |
| REC 840/1 | Kawasaki ZX6RR 2004 - On | 27.5mm Std. H/D | Inlet | Dished, Kit, SK4 Collets | 19.2 |
| REC 841/1 | Kawasaki ZX6RR 2004 - On | 22.6mm Std. H/D | Exhaust | Dished, Kit, SK4 Collets | 16.8 |
| REC 708 | Kawasaki ZX7R 1996 - 2003 | 29.0mm | Inlet | Flat Back | 25.4 |
| REC 719 | Kawasaki ZX7R 1996 - 2003 | 30.0mm | Inlet | Flat Back | 26.7 |
| REC 709 | Kawasaki ZX7R 1996 - 2003 | 25.0mm | Exhaust | Flat Back | 22.0 |
| REC 851 | Kawasaki ZX12R 2002 -2006 | 33.5mm | Inlet | Dished | 28.5 |
| REC 852 | Kawasaki ZX12R 2002 -2006 | 28.25mm | Exhaust | Dished | 33.8 |
| REC 587 | Kawasaki ZXR400 1989 - On | 22.0mm | Inlet | Dished, Std. Length Seat to Groove -0.5mm | 13.5 |
| REC 587/1 | Kawasaki ZXR400 1989 - On | 22.0mm | Inlet | Dished, Std. Length, Kit, SK4 Collets Seat to Groove -0.5mm | 13.5 |
| REC 627 | Kawasaki ZXR400 1989 - On | 22.0mm | Inlet | Flat Back, Std. Length Seat to Groove -0.5mm | 13.8 |
| REC 627/1 | Kawasaki ZXR400 1989 - On | 22.0mm | Inlet | Flat, Std. Length, Kit, SK4 Collets Seat to Groove -0.5mm | 13.8 |
| REC 588 | Kawasaki ZXR400 1989 - On | 19.0mm | Exhaust | Dished, Std. Length Seat to Groove -0.5mm | 12.6 |
| REC 588/1 | Kawasaki ZXR400 1989 - On | 19.0mm | Exhaust | Dished, Std. Length, Kit, SK4 Collets Seat to Groove -0.5mm | 12.6 |
| REC 628 | Kawasaki ZXR400 1989 - On | 19.0mm | Exhaust | Flat Back, Std. Length Seat to Groove -0.5mm | 13.2 |
| REC 628/1 | Kawasaki ZXR400 1989 - On | 19.0mm | Exhaust | Flat, Std. Length, Kit, SK4 Collets Seat to Groove -0.5mm | 13.2 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 550 | Kawasaki ZXR750 1989 - 1995 | 29.0mm Std. H/D | Inlet | Flat Back | 25.2 |
| REC 551 | Kawasaki ZXR750 1989 - 1995 | 25.0mm Std. H/D | Exhaust | Flat Back | 21.7 |
| Springs (REC 006) & Titanium Retainers (10537), using std. Collets to suit Kawasaki ZXR750 | |||||
| REC 550 | Kawasaki ZXR900 1994 - 2003 | 29.0mm | Inlet | Flat Back | 25.2 |
| REC 551 | Kawasaki ZXR900 1994 - 2003 | 25.0mm | Exhaust | Flat Back | 21.7 |
| Springs (REC 006) & Titanium Retainers (10537), using std. Collets to suit Kawasaki ZXR900 | |||||
| REC 631 | Kawasaki ZZR600 1994 - On | 26.0mm Std. H/D | Inlet | ‘D’ Motor, Flat Back | 23.1 |
| REC 632 | Kawasaki ZZR600 1994 - On | 22.0mm | Exhaust | Std. H/D, ‘D’ Motor, Flat Back | 20.1 |
| REC 840/1 | Kawasaki ZZR600 2004 - On | 27.5mm Std. H/D | Inlet | Dished (Dimple), Kit, SK4 Collets | 23.1 |
| REC 841/1 | Kawasaki ZZR600 2004 - On | 22.5mm Std. H/D | Exhaust | Dished (Dimple), Kit, SK4 Collets | 20.1 |
| REC 605 | Kawasaki ZZR1100 1990 - 2001 | 31.5mm | Inlet | Dished | 31.4 |
| REC 887 | Kawasaki ZZR1100 1990 - 2001 | 31.5mm | Inlet | Dished, Length -0.762mm | |
| REC 734 | Kawasaki ZZR1100 1990 - 2001 | 32.5mm | Inlet | Dished | 32.9 |
| REC 693 | Kawasaki ZZR1100 1990 - 2001 | 27.0mm | Exhaust | Dished | 25.5 |
| REC 888 | Kawasaki ZZR1100 1990 - 2001 | 27.0mm | Exhaust | Dished, Length -0.762mm | 25.5 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 667 | SX, EGS & SC (620 Single) | 36.0mm | Inlet | LC4 Engine | |
| REC 668 | SX, EGS & SC (620 Single) | 30.0mm | Exhaust | LC4 Engine | |
| REC 668/1 | SX, EGS & SC (620 Single) | 32.0mm | Exhaust | LC4 Engine, O/S H/D +2mm | |
| REC 941 | KTM 250cc 2002 on | 28.0mm | Exhaust | RFS Engine |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 941 | 250cc 2002 on (RFS Engine) | 28.0mm | Inlet | Std. H/D. Triple Groove, MK6 Collets | |
| REC 704 | Rotax 500cc | 36.0mm | Inlet | Std. H/D,Triple Groove | |
| REC 706 | Rotax 500cc | 37.5mm | Inlet | O/S H/D +1.5mm, Triple Groove | |
| REC 705 | Rotax 500cc | 30.0mm | Exhaust | Std. H/D,Triple Groove | |
| REC 707 | Rotax 500cc | 32.0mm | Exhaust | O/S H/D +2mm, Triple Groove |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC | Suzuki DRZ400 | 31.0mm | Exhaust | 31.5 | |
| REC 527 | Suzuki DR750 Super Mono | 41.0mm | Inlet | ||
| REC | Suzuki DR750 Super Mono | 42.0mm | Inlet | ||
| REC 528 | Suzuki DR750 Super Mono | 35.0mm | Exhaust | ||
| REC 485 | Suzuki GS1000/GS1100 1976 - 1983 | 38.0mm Std. H/D | Inlet | Dished | 54.0 |
| REC 415 | Suzuki GS1000/GS1100 1976 - 1983 | 39.0mm | Inlet | Dished | 52.8 |
| REC 416 | Suzuki GS1000/GS1100 1976 - 1983 | 40.0mm | Inlet | Dished | 53.1 |
| REC 622 | Suzuki GS1000/GS1100 1976 - 1983 | 41.0mm | Inlet | Dished | 63.9 |
| REC 486 | Suzuki GS1000/GS1100 1976 - 1983 | 32.0mm Std. H/D | Exhaust | Dished | 49.9 |
| REC 417 | Suzuki GS1000/GS1100 1976 - 1983 | 33.5mm | Exhaust | Dished | 50.5 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 323 | Suzuki GSX1100, Katana 1979 - 1983 | 28.5mm | Inlet | O/S +1.5mm, Dish, Collet 12932-49200 | 29.2 |
| REC 324 | Suzuki GSX1100, Katana 1979 - 1983 | 29.0mm | Inlet | O/S +2.0mm, Dish, Collet 12932-49200 | 29.2 |
| REC 329 | Suzuki GSX1100, Katana 1979 - 1983 | 30.0mm | Inlet | O/S +3.0mm, Dish, Collet 12932-49200 | 27.7 |
| REC 342 | Suzuki GSX1100, Katana 1979 - 1983 | 31.5mm | Inlet | O/S +3.5mm, Dish, Collet 12932-49200 | 33.6 |
| REC 710 | Suzuki GSX1100, Katana 1979 - 1983 | 33.0mm | Inlet | O/S +6.0mm, Dish, Collet 12932-49200 | 36.3 |
| REC 325 | Suzuki GSX1100, Katana 1979 - 1983 | 25.0mm Std. H/D | Exhaust | O/S +2.0mm, Dish, Collet 12932-49200 | 24.0 |
| REC 326 | Suzuki GSX1100, Katana 1979 - 1983 | 25.5mm | Exhaust | O/S +2.5mm, Dish, Collet 12932-49200 | 24.6 |
| REC 731 | Suzuki GSXR400 1984 - 1996 | 22.5mm | Inlet | Dished | 15.3 |
| REC 732 | Suzuki GSXR400 1984 - 1996 | 20.0mm | Exhaust | Dished | 13.3 |
| REC 745 | Suzuki GSXR600WX 1999 - On | 26.5mm Std. H/D | Inlet | 1.5mm Seat, Dished | 24.5 |
| REC 746 | Suzuki GSXR600WX 1999 - On | 22.0mm Std. H/D | Exhaust | Stellite Seat, 1.5mm Seat, Dished | 18.4 |
| REC 803 | Suzuki GSXR600 2001 - 2003 | 27.2mm Std. H/D | Inlet | Dished | 21.0 |
| REC 803/1 | Suzuki GSXR600 2001 - 2003 | 27.2mm Std. H/D | Inlet | Dished, Kit, SK4 Collets | 21.0 |
| REC 811/1 | Suzuki GSXR600 2001 - 2003 | 27.2mm Std. H/D | Inlet | Flat Back, Kit, SK4 Collets | 22.8 |
| REC 804 | Suzuki GSXR600 2001 - 2003 | 22.0mm Std. H/D | Exhaust | Dished | 15.7 |
| REC 804/1 | Suzuki GSXR600 2001 - 2003 | 22.0mm Std. H/D | Exhaust | Dished, Kit, SK4 Collets | 15.7 |
| REC 812/1 | Suzuki GSXR600 2001 - 2003 | 22.0mm Std. H/D | Exhaust | Flat Back, Kit, SK4 Collets | 16.9 |
| REC 842 | Suzuki GSXR600 2004 - On | 27.2mm Std. H/D | Inlet | 1mm Seat, Dished EN52 Inlet Material O/E Titanium 15.4g | 21.9 |
| REC 870 | Suzuki GSXR600 2004 - On | 27.1mm Std. H/D | Inlet | Dished, Kit, SK4.5, O/E Titanium 15.4g | 22.5 |
| REC 843 | Suzuki GSXR600 2004 - On | 22.0mm Std. H/D | Exhaust | 1.5mm Seat, Dished, O/E Titanium 11.8g | 17.8 |
| REC 871 | Suzuki GSXR600 2004 - On | 22.0mm Std. H/D | Exhaust | Dished, Kit, SK4.5, O/E Titanium 11.8g | 17.8 |
| REC 642 | Suzuki GSXR750WN/WP | 27.0mm Std. H/D | Inlet | Water Cooled, Flat Back | 25.3 |
| REC 643 | Suzuki GSXR750WN/WP | 24.0mm Std. H/D | Exhaust | Water Cooled, Flat Back | 20.5 |
| REC 700 | Suzuki GSXR750WP 1996 - On | 29.0mm Std. H/D | Inlet | Water Cooled, Flat Back | 24.0 |
| REC 744 | Suzuki GSXR750WP 1996 - On | 30.0mm | Inlet | Water Cooled, Flat Back | 25.0 |
| REC 701 | Suzuki GSXR750WP 1996 - On | 24.0mm Std. H/D | Exhaust | Water Cooled, Flat Back | 20.6 |
| REC 730 | Suzuki GSXR750WP 1996 - On | 25.0mm | Exhaust | Water Cooled, Flat Back | 21.5 |
| REC 799 | Suzuki GSXR750 2001 - 2004 | 29.0mm Std. H/D | Inlet | Dished | 24.1 |
| REC 799/1 | Suzuki GSXR750 2001 - 2004 | 29.0mm Std. H/D | Inlet | Dished, Kit, SK4 Collets | 24.1 |
| REC 801 | Suzuki GSXR750 2001 - 2004 | 29.0mm Std. H/D | Inlet | Flat Back | 24.1 |
| REC 801/1 | Suzuki GSXR750 2001 - 2004 | 29.0mm Std. H/D | Inlet | Flat Back, Kit, SK4 Collets | 24.1 |
| REC 865 | Suzuki GSXR750 2001 - 2004 | 29.5mm | Inlet | Flat Back, Kit, SK4 Collets | 24.4 |
| REC 863 | Suzuki GSXR750 2001 - 2004 | 30.0mm Std. H/D | Inlet | O/S H/D +1mm, Flat Back | 26.7 |
| REC 800 | Suzuki GSXR750 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Dished | 19.1 |
| REC 800/1 | Suzuki GSXR750 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Dished, Kit, SK4 Collets | 19.1 |
| REC 802 | Suzuki GSXR750 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Flat Back | 19.1 |
| REC 802/1 | Suzuki GSXR750 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Flat Back, Kit, SK4 Collets | 19.1 |
| REC 919 | Suzuki GSXR750 2001 - 2004 | 25.0mm | Exhaust | O/S H/D +1mm, Flat Back | 20.1 |
| REC 861 | Suzuki GSXR750, 2005 - On | 30.0mm Std. H/D | Inlet | 1mm Seat, O/E Titanium | 26.1 |
| REC 861/1 | Suzuki GSXR750, 2005 - On | 30.0mm Std. H/D | Inlet | 1mm Seat, Kit , SK4.5, O/E Titanium | 26.1 |
| REC 862 | Suzuki GSXR750, 2005 - On | 24.0mm Std. H/D | Exhaust | 1.5mm Seat, O/E Titanium | 20.7 |
| REC 862/1 | Suzuki GSXR750, 2005 - On | 24.0mm Std. H/D | Exhaust | 1.5mm Seat, Kit, SK4.5, O/E Titanium | 20.7 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 799 | Suzuki GSXR1000 2001 - 2004 | 29.0mm Std. H/D | Inlet | Dished | 24.1 |
| REC 799/1 | Suzuki GSXR1000 2001 - 2004 | 29.0mm Std. H/D | Inlet | Dished, Kit, SK4 Collets | 24.1 |
| REC 801 | Suzuki GSXR1000 2001 - 2004 | 29.0mm Std. H/D | Inlet | Flat Back | 24.1 |
| REC 801/1 | Suzuki GSXR1000 2001 - 2004 | 29.0mm Std. H/D | Inlet | Flat Back, Kit, SK4 Collets | 24.1 |
| REC 865 | Suzuki GSXR1000 2001 - 2004 | 29.5mm | Inlet | Flat Back, Kit, SK4 Collets | 24.4 |
| REC 863 | Suzuki GSXR1000 2001 - 2004 | 30.0mm Std. H/D | Inlet | Flat Back | |
| REC 800 | Suzuki GSXR1000 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Dished | 19.1 |
| REC 800/1 | Suzuki GSXR1000 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Dished, Kit, SK4 Collets | 19.1 |
| REC 802 | Suzuki GSXR1000 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Flat Back | 19.1 |
| REC 802/1 | Suzuki GSXR1000 2001 - 2004 | 24.0mm Std. H/D | Exhaust | Flat Back, Kit, SK4 Collets | 19.1 |
| REC 919 | Suzuki GSXR1000 2001 - 2004 | 25.0mm Std. H/D | Exhaust | O/S H/D +1.0mm, Flat Back | 20.1 |
| REC 861 | Suzuki GSXR1000 K5, 2005 - On | 30.0mm Std. H/D | Inlet | 1mm Seat, O/E Titanium | 26.1 |
| REC 862 | Suzuki GSXR1000 K5, 2005 - On | 24.0mm Std. H/D | Exhaust | 1.5mm Seat, O/E Titanium | 20.7 |
| REC 861/1 | Suzuki GSXR1000 K5, 2005 - On | 30.0mm Std. H/D | Inlet | Kit, SK4.5 Collets, O/E Titanium 13.0g | 26.1 |
| REC 862/1 | Suzuki GSXR1000 K5, 2005 - On | 24.0mm Std. H/D | Exhaust | Kit, SK4.5 Collets, O/E Titanium 18.0g | 20.7 |
| REC 487 | Suzuki GSXR1100G/H/J/K/L 1986 - 1990 | 30.0mm | Inlet | O/S H/D +1mm, 2.1mm Seat, Rocker Eng. Dished (G/H/J), 1052cc, (K/L) 1127cc | 29.9 |
| REC 616 | Suzuki GSXR1100G/H/J/K/L 1986 - 1990 | 31.0mm | Inlet | O/S H/D +2mm, 2.1mm Seat, Rocker Eng. Dished (G/H/J) 1052cc, (K/L) 1127cc | 31.6 |
| REC 488 | Suzuki GSXR1100G/H/J/K/L 1986 - 1990 | 26.0mm | Exhaust | O/S H/D +1mm,2.1mm Seat, Rocker Eng. Dished (G/H/J) 1052cc,(K/L) 1127cc | 24.7 |
| REC 617 | Suzuki GSXR1100G/H/J/K/L 1986 - 1990 | 27.0mm | Exhaust | O/S H/D +2mm,2.1mm Seat, Rocker Eng. Dished (G/H/J) 1052cc,(K/L) 1127cc | 26.0 |
| REC 646 | Suzuki GSXR1100M/N 1991 - 1992 | 28.5mm Std. H/D | Inlet | 1mm Seat,Oil &Air Cooled, Flat Back | 26.4 |
| REC 691 | Suzuki GSXR1100M/N 1991 - 1992 | 30.0mm | Inlet | 1mm Seat,Oil &Air Cooled, Flat Back | 28.2 |
| REC 647 | Suzuki GSXR1100M/N 1991 - 1992 | 25.0mm Std. H/D | Exhaust | 2.3mm Seat,Oil & Air Cooled, Flat Back | 24.0 |
| REC 692 | Suzuki GSXR1100M/N 1991 - 1992 | 26.0mm | Exhaust | 2.3mm Seat,Oil &Air Cooled, Flat Back | 25.0 |
| REC 644 | Suzuki GSXR1100WP/WR 1993 - On | 31.0mm Std. H/D | Inlet | 1.75mm Seat,Water Cooled, Flat Back | 30.5 |
| REC 721 | Suzuki GSXR1100WP/WR 1993 - On | 32.0mm | Inlet | 1.75mm Seat,Water Cooled, | 32.1 |
| REC 645 | Suzuki GSXR1100WP/WR 1993 - On | 27.0mm Std. H/D | Exhaust | Flat Back, 2.3mm Seat,Water Cooled | 25.5 |
| REC 722 | Suzuki GSXR1100WP/WR 1993 - On | 28.0mm | Exhaust | 2.3mm Seat,Water Cooled, Flat Back | 26.8 |
| REC 817 | Suzuki GSXR1300 Hayabusa 1999 - 2007 | 33.0mm Std. H/D | Inlet | 1.0mm Seat, Dished, First Generation | 33.9 |
| REC 819 | Suzuki GSXR1300 Hayabusa 1999 - 2007 | 34.0mm | Inlet | 1.0mm Seat, Dished, First Generation | 32.5 |
| REC 818 | Suzuki GSXR1300 Hayabusa 1999 - 2007 | 27.5mm Std. H/D | Exhaust | 1.5mm Seat, Dished, First Generation Bike Only | 25.9 |
| REC 818/1 | Suzuki GSXR1300 Hayabusa 1999 - 2007 | 27.5mm Std. H/D | Exhaust | 1.5mm Seat, Dished, 30 Deg. Break First Generation, Radical (Car Engine) | 27.0 |
| REC 820 | Suzuki GSXR1300 Hayabusa 1999 - 2007 | 28.5mm | Exhaust | 1.5mm Seat, Dished, First Generation Bike Only | 27.0 |
| REC 820/1 | Suzuki GSXR1300 Hayabusa 1999 - 2007 | 28.5mm | Exhaust | 1.5mm Seat, Dished, 30 Deg. Break First Generation, Radical (Car Engine) | 30.5 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 644 | Suzuki SV650 Twin | 31.0mm Std. H/D | Inlet | 1.75mm Seat, Flat Back | 30.5 |
| REC 721 | Suzuki SV650 Twin | 32.0mm | Inlet | 1.75mm Seat, Flat Back | 32.1 |
| REC 883 | Suzuki SV650 Twin | 25.5mm Std. H/D | Exhaust | Dished | |
| REC 884 | Suzuki SV650 Twin | 27.0mm | Exhaust | Flat Back | |
| REC | Suzuki TL1000 | 40.0mm Std. H/D | Inlet | 57.8 | |
| REC | Suzuki TL1000 | 33.0mm Std. H/D | Exhaust | 43.6 | |
| REC 896 | Suzuki RMZ250 | 24.9mm Std. H/D | Exhaust | O/E Titanium 12.6g | 18.8 |
| REC 897 | Suzuki RMZ250 | 31.0mm Std. H/D | Inlet | O/E Titanium 16.0g | 24.8 |
| REC 686 | Suzuki RF900 | 29.0mm | Inlet | Flat Back | 28.8 |
| REC 687 | Suzuki RF900 | 25.0mm | Exhaust | O/S H/D +1mm, Flat Back | 22.2 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 345 | Black Lightning / Shadow | 1.805”/ 45.85mm | Inlet | ||
| REC 346 | Black Lightning / Shadow | 1.675”/ 42.50mm | Exhaust | Stellite Seat |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 531 | Yamaha FJ1200 | 30.0mm | Inlet | Dished | 29.3 |
| REC 532 | Yamaha FJ1200 | 26.0mm | Exhaust | Dished | 26.5 |
| REC 349 | Yamaha FZ750 1985 - 1991 | 22.0mm | Inlet | (x2) Dished, 1.7mm Seat | |
| REC 350 | Yamaha FZ750 1985 - 1991 | 22.0mm | Inlet | (x1) Dished, 1.7mm Seat | |
| REC 351 | Yamaha FZ750 1985 - 1991 | 24.0mm | Exhaust | (x2) Dished, 2.3mm Seat | 25.1 |
| REC 591 | Yamaha FZR400 (3TJ Engine) 1986 - 94 | 22.0mm | Inlet | Dished | 15.0 |
| REC 623 | Yamaha FZR400 (3TJ Engine) 1986 - 94 | 22.0mm | Inlet | Flat Back | 16.6 |
| REC 623/1 | Yamaha FZR400 (3TJ Engine) 1986 - 94 | 22.0mm | Inlet | Flat Back, Kit, SK4 Collets | 16.6 |
| REC 592 | Yamaha FZR400 (3TJ Engine) 1986 - 94 | 19.0mm | Exhaust | Dished | 13.8 |
| REC 624 | Yamaha FZR400 (3TJ Engine) 1986 - 94 | 19.0mm | Exhaust | Flat Back | 14.1 |
| REC 624/1 | Yamaha FZR400 (3TJ Engine) 1986 - 94 | 19.0mm | Exhaust | Flat Back, Kit, SK4 Collets | 14.1 |
| REC 618 | Yamaha FZR600 Upto - 1994 | 24.0mm Std. H/D | Inlet | 0.8mm Seat, Dished | 19.2 |
| REC 619 | Yamaha FZR600 Upto - 1994 | 21.0mm Std. H/D | Exhaust | Dished | 17.2 |
| REC 620 | Yamaha FZR600R 1994 - 1999 | 24.0mm Std. H/D | Inlet | 1.5mm Seat, Flat Back | 18.0 |
| REC 625 | Yamaha FZR600R 1994 - 1999 | 24.0mm Std. H/D | Inlet | 2.1mm Seat, Flat Back | 17.8 |
| REC 864 | Yamaha FZR600R 1994 - 1999 | 25.2mm | Inlet | 1mm Seat, Flat Back | 18.0 |
| REC 621 | Yamaha FZR600R 1994 - 1999 | 21.0mm Std. H/D | Exhaust | Flat Back | 16.1 |
| REC 626 | Yamaha FZR600R 1994 - 1999 | 21.0mm Std. H/D | Exhaust | Flat Back | 15.0 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 512 | Yamaha FRZ750R OWO1 1988 - 1991 | 23.0mm Std. H/D | Inlet | (x1) Dished, 1.5mm Seat | 18.7 |
| REC 474 | Yamaha FRZ750R OWO1 1988 - 1991 | 24.0mm | Inlet | (x1) Dished, 1.5mm Seat | 19.6 |
| REC 511 | Yamaha FRZ750R OWO1 1988 - 1991 | 23.0mm Std. H/D | Inlet | (x2) Dished, 1.5mm Seat | 18.9 |
| REC 473 | Yamaha FRZ750R OWO1 1988 - 1991 | 24.0mm | Inlet | (x2) Dished, 1.5mm Seat | 19.8 |
| REC 510 | Yamaha FRZ750R OWO1 1988 - 1991 | 24.5mm Std. H/D | Exhaust | (x2) Dished, 1.5mm Seat | 20.6 |
| REC 475 | Yamaha FRZ750R OWO1 1988 - 1991 | 25.5mm | Exhaust | (x2) Dished, 1.5mm Seat | 21.5 |
| REC 652 | FZR1000 Exup / Thunderace 1987 - 1995 | 23.5mm Std. H/D | Inlet | (x1) Flat Back | 19.3 |
| REC 651 | FZR1000 Exup / Thunderace 1987 - 1995 | 23.5mm Std. H/D | Inlet | (x2) Flat Back | 19.4 |
| REC 655 | FZR1000 Exup / Thunderace 1987 - 1995 | 24.0mm | Inlet | (x1) Flat Back | 19.7 |
| REC 654 | FZR1000 Exup / Thunderace 1987 - 1995 | 24.0mm | Inlet | (x2) Flat Back | 19.8 |
| REC 653 | FZR1000 Exup / Thunderace 1987 - 1995 | 25.0mm Std. H/D | Exhaust | (x2) Flat Back | 20.7 |
| REC 656 | FZR1000 Exup / Thunderace 1987 - 1995 | 25.5mm | Exhaust | (x2) Flat Back | 21.1 |
| 52462 | Yamaha SR500 | 45.0mm | Inlet | 94.1 | |
| 52463 | Yamaha SR500 | 39.1mm | Exhaust | 80.8 | |
| REC | Yamaha V-Max | 31.5mm | Inlet | O/S H/D +1mm | 34.9 |
| REC | Yamaha V-Max | 26.0mm | Exhaust | O/S H/D +1mm | 30.2 |
| REC | Yamaha XS650 | 41.1mm | Inlet | ||
| REC | Yamaha XT500 1976 - 1981 | 45.0mm | Inlet | 94.1 | |
| REC | Yamaha XT500 1976 - 1981 | 39.1mm | Exhaust | 80.8 | |
| REC 640 | Yamaha XTZ660 Early 1992 | 30.0mm Std. H/D | Inlet | (x3) Dished | 41.1 |
| REC 641 | Yamaha XTZ660 Early 1992 | 32.0mm Std. H/D | Exhaust | (x2) Dished | 43.7 |
| REC 774 | Yamaha XTZ660 Early 1992 | 33.0mm | Exhaust | (x2) Dished | 46.2 |
| REC 838 | Yamaha YZ250F, WR250F | 23.0mm | Inlet | (x1) Dished, 1.0mm Seat O/E Titanium 10.0g | 15.1 |
| REC 837 | Yamaha YZ250F, WR250F | 23.0mm | Inlet | (x2) Dished, 1.0mm Seat O/E Titanium 10.1g | 15.1 |
| REC 839 | Yamaha YZ250F, WR250F | 24.5mm | Exhaust | (x2) Dished, 1.0mm Seat O/E Titanium 12.3g | 18.4 |
| REC | Yamaha YZ426 2000 - On | 27.0mm Std. H/D | Inlet | (x1) | 25.1 |
| REC | Yamaha YZ426 2000 - On | 28.0mm | Inlet | (x1) O/S H/D +1mm | 27.1 |
| REC | Yamaha YZ426 2000 - On | 27.0mm Std. H/D | Inlet | (x2) | 25.1 |
| REC | Yamaha YZ426 2000 - On | 28.0mm | Inlet | (x2) O/S H/D +1mm | 27.1 |
| REC | Yamaha YZ426 2000 - On | 28.0mm Std. H/D | Exhaust | (x2) Dished, O/E Steel | 30.7 |
| 54321 | Yamaha YZ450F | 27.0mm Std. H/D | Inlet | (x1) EN52 Inlet Material, Std., Std. Stem Dished, O/E Titanium 14.1g | 17.5 |
| 54322 | Yamaha YZ450F | 27.0mm Std. H/D | Inlet | (x2) Dished, EN52 Inlet Material O/E Titanium 14.2g | 17.6 |
| 54323 | Yamaha YZ450F | 28.0mm Std. H/D | Exhaust | (x2) Dished, Std. Stem, O/E Titanium 16.8g | 22.5 |
| Part No. | Application | Head Diameter | Type | Comments | Weight |
|---|---|---|---|---|---|
| REC 620 | Yamaha YZF600R Thundercat 1996 - 07 | 24.0mm Std. H/D | Inlet | 1.5mm Seat, Flat Back | 18.0 |
| REC 625 | Yamaha YZF600R Thundercat 1996 - 07 | 24.0mm Std. H/D | Inlet | 2.1mm Seat, Flat Back | 17.8 |
| REC 864 | Yamaha YZF600R Thundercat 1996 - 07 | 25.2mm | Inlet | 1mm Seat, Flat Back | 18.0 |
| REC 621 | Yamaha YZF600R Thundercat 1996 - 07 | 21.0mm Std. H/D | Exhaust | Flat Back | 16.1 |
| REC 626 | Yamaha YZF600R Thundercat 1996 - 07 | 21.0mm Std. H/D | Exhaust | Flat Back | 15.0 |
| REC 599 | Yamaha YZF750P,R & SP 1993 - 1998 | 23.0mm Std. H/D | Inlet | (x1) Flat Back, 1.5mm Seat | 18.7 |
| REC 583 | Yamaha YZF750P,R & SP 1993 - 1998 | 23.0mm Std. H/D | Inlet | (x1) Dished, 1.5mm Seat | 18.4 |
| REC 598 | Yamaha YZF750P,R & SP 1993 - 1998 | 23.0mm Std. H/D | Inlet | (x2) Flat Back, 1.5mm Seat | 18.9 |
| REC 582 | Yamaha YZF750P,R & SP 1993 - 1998 | 23.0mm Std. H/D | Inlet | (x2) Dished, 1.5mm Seat | 18.5 |
| REC 600 | Yamaha YZF750P,R & SP 1993 - 1998 | 24.5mm Std. H/D | Exhaust | (x2) Flat Back, 1.5mm Seat | 20.1 |
| REC 584 | Yamaha YZF750P,R & SP 1993 - 1998 | 24.5mm Std. H/D | Exhaust | (x2) Dished, 1.5mm Seat | 21.3 |
| REC 652 | Yamaha YZF1000 Thunderace 1996 - 03 | 23.5mm Std. H/D | Inlet | (x1) Flat Back | 19.3 |
| REC 651 | Yamaha YZF1000 Thunderace 1996 - 03 | 23.5mm Std. H/D | Inlet | (x2) Flat Back | 19.4 |
| REC 655 | Yamaha YZF1000 Thunderace 1996 - 03 | 24.0mm | Inlet | (x1) Flat Back | 19.7 |
| REC 654 | Yamaha YZF1000 Thunderace 1996 - 03 | 24.0mm | Inlet | (x2) Flat Back | 19.8 |
| REC 653 | Yamaha YZF1000 Thunderace 1996 - 03 | 25.0mm Std. H/D | Exhaust | (x2) Flat Back | 20.7 |
| REC 656 | Yamaha YZF1000 Thunderace 1996 - 03 | 25.5mm | Exhaust | (x2) Flat Back | 21.1 |
| REC 742 | Yamaha YZFR1 1998 - 2003 | 23.0mm Std. H/D | Inlet | (x1) Flat Back, 1mm Seat | 16.1 |
| REC 741 | Yamaha YZFR1 1998 - 2003 | 23.0mm Std. H/D | Inlet | (x2) Flat Back, 1mm Seat | 16.4 |
| REC 807 | Yamaha YZFR1 1998 - 2003 | 24.0mm | Inlet | (x2) Flat Back, 1mm Seat, O/S H/D +1mm | |
| REC 743 | Yamaha YZFR1 1998 - 2003 | 24.5mm Std. H/D | Exhaust | (x2) Flat Back, 1.5mm Seat | 22.2 |
| REC 824 | Yamaha YZFR1 2004 - 2007 | 23.5mm Std. H/D | Inlet | 1.2mm Seat, Flat Back | 16.3 |
| REC 824/1 | Yamaha YZFR1 2004 - 2007 | 23.5mm Std. H/D | Inlet | (x1) Flat Back, 1.2mm Seat, Inlet Material | 15.8 |
| REC 823 | Yamaha YZFR1 2004 - 2007 | 23.5mm Std. H/D | Inlet | (x2) Flat Back, 1.2mm Seat | 16.4 |
| REC 823/1 | Yamaha YZFR1 2004 - 2007 | 23.5mm Std. H/D | Inlet | (x2) Flat Back, 1.2mm Seat EN52 Inlet Material | 16.0 |
| REC 825 | Yamaha YZFR1 2004 - 2007 | 25.0mm Std. H/D | Exhaust | (x2) Flat Back, 1.58mm Seat | 21.1 |
| REC 877 | Yamaha YZFR1 2007 - On | 25.0mm Std. H/D | Exhaust | (x2) Flat back, 1.58mm Seat 4 Valve Engine | 21.5 |
| REC 875 | Yamaha YZFR6 2006 - On | 27.0mm Std. H/D | Inlet | 1mm Seat, Flat Back, O/E Titanium 16.1g | 23.0 |
| REC 876 | Yamaha YZFR6 2006 - On | 23.0mm Std. H/D | Exhaust | 1.5mm Seat, Flat Back O/E Titanium 13.7g | 19.8 |
| REC 755 | Yamaha YZFR6 1999 - 2005 | 25.0mm Std. H/D | Inlet | 1mm Seat, Dished Back | 19.1 |
| REC 857 | Yamaha YZFR6 1999 - 2005 | 26.0mm | Inlet | Flat Back | |
| REC 756 | Yamaha YZFR6 1999 - 2005 | 22.0mm Std. H/D | Exhaust | 1.5mm Seat, Dished | 18.2 |
| REC 858 | Yamaha YZFR6 1999 - 2005 | 23.0mm | Exhaust | Flat Back |
All information within this website is provided "as is" and Race Engine Components Ltd., makes no warranty of any kind with respect to the subject matter or accuracy of the information contained herein. This website may include technical inaccuracies or typographical errors. Changes may be periodically made to the information herein. No part of this website or catalogue may be reproduced with out the express permission of Race Engine Components Ltd.
Issue 43 Updated: 14th March 2022
Racing engine car inlet and exhaust valves for Alfa Romeo, Austin / Leyland / MG / Morris, Aston Martin, Audi, Austin Healey, BMW, Citroen, Cosworth, Coventry Climax, Datsun / Nissan, Ferrari, Fiat, Ford, Hart, Hillman, Honda, Jaguar, Lada, Lancia, Lotus, Maserati, Mazda, MG, Opel, Peugeot, Renault, Rover, Skoda, Spiess, Suzuki, Toyota, Triumph, TVR, Vauxhall, VW and Volvo.
Racing engine bike inlet and exhaust valves for Aermacchi, Ducati, Goddon, Honda, Husaberg, Husqvarna, Kawasaki, Rotax, Suzuki, Vincent and Yamaha.
Racing engine Retainers and Seat Platfoms for Alfa Romeo, Austin Healey, BRM, Citroen, Cosworth, Coventry, Ferrari, Ford, Honda, Kawasaki, Mini, Rover, Subaru, Suzuki, Triumph, and Vauxhall.
Kingswood Farm
Kingswood Road
Albrighton
Wolverhampton
WV7 3AQ
Please note this is only a small percentage of our stock valves that we currently hold at Race Engine Components Ltd. Part numbers listed with REC, we have drawings and have made, but do not stock. Valves O/E Titanium are replacements made from 1.4882 Austinetic Stainless Steel. For any other valves not listed, please do not hesitate to call or e-mail.