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Engine - Valve Train

2768 products
Powersport Superstore is your go-to source for Engine - Valve Train and related parts. Shop our unbeatable selection of Valve Train with top-tier service, fast shipping, and great prices.
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Vehicle Fitment Combos Show all Vehicle Fitment Combos
Regular price $142.97
Sale price $142.97
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Type: Intake / Exhaust. Retainer Material: H.T. Steel. Valve Lift: 0.480in. Installed Height: 1.315in. Seat Pressure: 157#. Open Pressure: 342#. @ Lift: 0.480in. Note: May require R model valves to...
Regular price $16.98
Sale price $16.98
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All seals require the use of a .500 and .562 seal cutter; sold separately. Sold in packages of four. With thin stem valves .3090in. intake. For use with intake and exhaust valve guides. Made in th...
Regular price $147.47
Sale price $147.47
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Type: Intake / Exhaust. Retainer Material: H.A. 7075-T6. Valve Lift: 0.600in. Installed Height: 1.510in. Seat Pressure: 152#. Open Pressure: 387#. @ Lift: 0.600in. Note: The basewasher is counterbo...
Regular price $33.63
Sale price $33.63
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Material: Stainless SteelSold each. H-D#18081-36. Head Dia. 1.750in. Stem Dia. .3760in. Tulip 27 degree. Length 3.670in.. One-piece stainless-steel, stellite-tipped valves impregnated by a special...
Regular price $35.46
Sale price $35.46
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Quantity: Pkg. of 1. Material: C630 Bronze. Type: Exhaust. Outside Dia.: (G): 0.5900in. / +0.025in. A: 0.450in. B: 0.540in. C: 0.810in. D: 1.340in. E: 0.745in. F: 0.3745in.. We choose to use C6300...
Regular price $64.50
Sale price $64.50
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Sold as a set of four. Designed for maximum performance features interference wound double chrome silicone springs. All spring kits should be used together. Available in complete set for one engin...
Regular price $16.61
Sale price $16.61
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Set of 4. Made from a premium Viton material and offer superior oil control. Exhibit the least amount of parasitic drag and wear on the valve giving greater life of the valve, and better power. Fi...
Regular price $16.74
Sale price $16.74
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Set of 4. Intake and Exhaust Seals. Made from a premium Viton material and offer superior oil control. Exhibit the least amount of parasitic drag and wear on the valve giving greater life of the v...
Regular price $14.79
Sale price $14.79
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Stem O.D. 5/16in., Guide O.D. .531in.. Seals sold each, in 25 packs, and 100 packs. Seal driver and sleeves sold separately. Made in the USA.Vehicle Fitment:1957-1959 Harley Davidson XL 1958 Harle...
Regular price $17.84
Sale price $17.84
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Outside Dia.: (G): 0.5660in. / +0.004in. A: 0.650in. B: 0.700in. C: 1.150in. D: 1.450in. E: 0 .615in. F: 0.3098in. Note: Special shouldered guide, accepts 0.600in. valve lift. 0.420in. guide top ac...
Regular price $14.92
Sale price $14.92
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Overall length of both intake and exhaust is 1.77in. Made in the U.S.A. Quantity: Pkg. of 1. Material: Cast Iron. Type: Intake. Outside Dia.: (G): 0.5750in. / +0.010in. A: 0.470in. B: 0.545in. C: 0...
Regular price $18.58
Sale price $18.58
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Outside Dia.: (G): 0.5660in./ +0.004in. A: 0.650in. B: 0.700in. C: 0.800in. D: 1.400in. E: 0.615in. F: 0.3098in. Note: Special shouldered guide, accepts 0.600in. valve lift. 0.420in. guide top acce...
Regular price $14.92
Sale price $14.92
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Guides require machining for seal installation. Quantity: Pkg. of 1. Material: C630 Bronze. Type: Intake. Outside Dia.: (G): 0.6300in./ +0.005in. A: 0.450in. B: 0.540in. C: 0.755in. D: 1.315in. E: ...
Regular price $14.63
Sale price $14.63
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Quantity: Pkg. of 1. Material: Cast Iron. Type: Exhaust. Outside Dia.: (G): 0.6500in./ +0.025in. A: 0.450in. B: 0.540in. C: 0.855in. D: 1.315in. E: 0.745in. F: 0.3745in.. KPMI R&D has produced...
Regular price $17.84
Sale price $17.84
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Quantity: Pkg. of 1. Material: Manganese Bronze. Type: Exhaust. Outside Dia.: (G): 0.6310in./ +0.006in. A: 0.450in. B: 0.540in. C: 0.855in. D: 1.315in. E: 0.745in. F: 0.3745in.. Precision-machined...
Regular price $26.38
Sale price $26.38
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Vesrah valves are precision manufactured from top-quality materials to match OEM valves exactly. Sold each.Vehicle Fitment:2004-2009 Honda CRF70F 2011-2012 Honda CRF70F 1993-2006 Honda TRX90 Sportr...
Regular price $37.00
Sale price $37.00
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Vesrah valves are precision manufactured from top-quality materials to match OEM valves exactly. Sold each.Vehicle Fitment:2004-2009 Honda CRF100F 2011-2013 Honda CRF100F 2004-2009 Honda CRF80F 201...
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Regular price $46.72
Sale price $46.72
Regular price $47.98
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Vesrah valves are precision manufactured from top-quality materials to match OEM valves. Sold each.Vehicle Fitment:2007-2015 Yamaha YFM700 Grizzly FI 4x4 Auto 2007-2015 Yamaha YFM700 Grizzly FI 4x4...

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