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Engine - Valve Train

2503 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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16% Off
Xceldyne PSIMX2401 Exhaust Valve Springs
$63.44
$63.44
$75.57
Purpose-built racing valve springs from the only dedicated racing spring manufacturer in the country. Made from the highest quality Kobe spring wire. Utilizes all of the same features and processes...
S&S Cycle 90-2212 Valve Guide - +.0002in.
$99.00
$99.00
Cast iron intake/exhaust guide for 1984-up Big Twin and 86-03 Sportster models. Fits S&S Super Stock and stock Harley-Davidson cylinder heads. Guide ID measures about .309in./.310in. with enoug...
Vesrah GG-3016-EX Exhaust Valve
$35.56
$35.56
Vesrah valves are precision manufactured from top-quality materials to match OEM valves. Sold each.Vehicle Fitment:1996-1998 Suzuki LT-4WDX King Quad 250 2002-2009 Suzuki LT-F250 Ozark 2012-2014 Su...
27% Off
Vesrah GG-3013-IN Intake Valve
$14.50
$14.50
$19.95
Vesrah valves are precision manufactured from top-quality materials to match OEM valves exactly. Sold each.Vehicle Fitment:1982-1985 Suzuki DR250 1982-1983 Suzuki GN250 1985 Suzuki GN250 1988 Suzuk...
Parts Unlimited 1212-1414 Steel Front Sprocket - 16T
$29.39
$29.39
Sprocket Position: Front Sprocket Teeth: 16Fits all 185cc and 200cc 80-85 models replacing Honda #14321-440-000. Allows fine tuning of cam timing for more torque or rpm. Made of high-quality harden...
9% Off
Psychic Mx XU-09535EK Exhaust Valve Kit
$75.14
$75.14
$82.95
KIT FEATURES:. All kits sold with valve, spring, retainer, seat to do complete replacement of either intake or exhaust side. All components are manufactured under iso 9001 certified factories. Nitr...
10% Off
Wiseco SVKB2444 Garage Buddy Valve Set
$352.99
$352.99
$391.95
O.E.M.-quality valves and springs. Moly paste for cam lobe and buckets included. Made in USA.Vehicle Fitment:2016-2018 Yamaha WR450F 2014-2015 Yamaha YZ450F 2016-2020 Yamaha YZ450FX
60% Off
Kibblewhite Precision 80-80283 Black Diamond Center Intake Valve - Standard
$29.96
$29.96
$75.37
Vehicle Fitment:1998-2003 Yamaha YZF-R1
Kibblewhite Precision 40-41121 Valve Spring Retainers - Standard
$177.28
$177.28
Set of 16. Extensive R and D on all applications to provide high performance components that last longer than OEM. Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed...
Kibblewhite Precision 20-22650 Engine Valve Kit
$246.98
$246.98
Kits include KPMI or equivalent valve spring kit, a full set of Black Diamond stainless steel standard size. valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine appl...
Trask Performance TM-2901-3 530 Chain Drive Conversion Kit - 51T
$186.48
$186.48
Upgrades stock belt drive to chain drive. Heat-treated and coated for added durability. Custom steel 51- or 54-tooth rear sprocket. 6061-T6 aluminum carrier with black finish. Includes 25-tooth fro...
Kibblewhite Precision 30-33629 Bronze Intake Valve Guide - Oversize (+0.010in.)
$33.24
$33.24
We choose to use C630 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 4-5 percent nickel content provides superior resistance to wear,...
62% Off
Tmv 138361060 Cam Chain Tensioner
$41.75
$41.75
$110.95
Lowers the exhaust port to the optimum height. Maintains peak horsepower with huge gains in the bottom end. Constructed of billet stainless steel. Made in the U.S.A..Vehicle Fitment:2020-2021 Yamah...
15% Off
Kibblewhite Precision 30-3118 Black Diamond Exhaust Valve - Oversize (30mm)
$32.01
$32.01
$37.55
Material: Stainless SteelHead Diameter: 30.00mm / 1.181in. Stem Diameter: 5.5mm / 0.2150in. Tulip: 29deg. Overall Length: 3.960in. Remarks: Oversize +1mm. Black Diamond valves feature one-piece st...
10% Off
Kibblewhite Precision 30-30752 Black Diamond Intake Valve - Oversized (38mm)
$67.83
$67.83
$75.37
Material: Stainless SteelHead Diameter; 38.00mm / 1.496in. Stem Diameter: 5.5mm / 0.2158in. Tulip: 20deg. Overall Length: 3.325in. Remarks:Oversized +2mm. Note: Must use Kibblewhite Lightweight Val...
Psychic Mx XU-09522I Intake Valve
$23.10
$23.10
Stainless steel, forged one piece construction. Extremely light and fast flowing. Chromed stems and stellite tips. Special thick margins and modified radius. Fully swirl polished. Black nitride coa...
9% Off
Psychic Mx XU-09535E Exhaust Valve
$17.22
$17.22
$18.95
Stainless steel, forged one piece construction. Extremely light and fast flowing. Chromed stems and stellite tips. Special thick margins and modified radius. Fully swirl polished. Black nitride coa...
21% Off
Spi 09-817838 Exhaust Valve Bellow
$23.78
$23.78
$29.95
Exhaust Valve Bellow.Vehicle Fitment:2000 Polaris 440 XC SP 1999 Polaris 440 XCR SP 2000-2001 Polaris 500 XC SP 2001 Polaris 600 Classic Touring 2001 Polaris 600 PRO X 2000 Polaris 600 Touring 2000...
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