New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Collection:

Engine

25001 products
Powersport Superstore is your go-to source for Engine and related parts. Shop our unbeatable selection of Engine with top-tier service, fast shipping, and great prices.
10% Off
Regular price $179.99
Sale price $179.99
Regular price $199.95
Unit price
per 
Nikasil Piston Size. Forged Piston. Excellent economic alternative when you are looking for an OEM quality replacement piston. Mainly manufactured in Japan by reputable Original Equipment Manufact...
5% Off
Regular price $79.52
Sale price $79.52
Regular price $83.70
Unit price
per 
These sets include all gaskets and seals necessary to rebuild the engine and transmission..Vehicle Fitment:2003 Honda CR125R
48% Off
Regular price $21.81
Sale price $21.81
Regular price $41.95
Unit price
per 
Top-end gasket sets include all necessary top-end gaskets, O-rings, and valve guide seals to complete a top-end rebuild.Vehicle Fitment:1988-1989 Kawasaki KX250
Regular price $47.31
Sale price $47.31
Regular price
Unit price
per 
Meets or exceeds OEM specs for fit and performance.Vehicle Fitment:Kawasaki KX250 1992-1996
10% Off
Regular price $219.99
Sale price $219.99
Regular price $243.95
Unit price
per 
Bore: 95.92mm Compression: 12.5:1 Compression Sizing: 2.00mm OversizeSPECIFICATIONS. Displacement: 408cc. Bore - Standard: 92.00mm. Bore - Actual: 94.00mm. Bore - Oversize: 2.00mm. Stroke: 60.10mm....
10% Off
Regular price $237.99
Sale price $237.99
Regular price $263.95
Unit price
per 
Bore: 100.92mm Compression: 9.5:1 Compression Sizing: Sizing Not AvailableArmorGlide skirt coating All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior str...
35% Off
Regular price $68.48
Sale price $68.48
Regular price $104.95
Unit price
per 
Center to Center (mm): 125. Small End Bore (mm): 25. Big End Bore (mm): 31. Small End Width (mm): 17. Big End Width (mm): 17. Crank Pin Diameter (mm): 24. Crank Pin Length (mm): 53. Made to OEM sp...
5% Off
Regular price $89.42
Sale price $89.42
Regular price $94.13
Unit price
per 
These sets include all gaskets and seals necessary to rebuild the engine and transmission..Vehicle Fitment:2007-2013 Polaris Outlaw 90 2007-2013 Polaris Sportsman 90
10% Off
Regular price $159.99
Sale price $159.99
Regular price $177.95
Unit price
per 
Bore: 57.95mm Compression: Standard Compression Sizing: 2.00mm OversizeSPECIFICATIONS. Displacement: 134cc. Bore - Standard: 54.00mm. Bore - Actual: 56.00mm. Bore - Oversize: 2.00mm. Stroke: 54.50m...
10% Off
Regular price $179.99
Sale price $179.99
Regular price $199.95
Unit price
per 
Nikasil Piston Size. Forged Piston. Excellent economic alternative when you are looking for an OEM quality replacement piston. Mainly manufactured in Japan by reputable Original Equipment Manufact...
5% Off
Regular price $178.65
Sale price $178.65
Regular price $188.05
Unit price
per 
Full gasket sets: Contain all gaskets necessary for professional engine rebuilding, including high performance oil seals. Designed for complete engine rebuilding.Vehicle Fitment:2009-2017 Yamaha YF...
Regular price $33.85
Sale price $33.85
Regular price
Unit price
per 
Exhaust gasket. Sold each.Vehicle Fitment:Honda CR250R 2002-2004
Regular price $13.52
Sale price $13.52
Regular price
Unit price
per 
Made in the USA. OEM Rerefence # 11061-1135Vehicle Fitment:Kawasaki KX125 2003-2005
5% Off
Regular price $27.79
Sale price $27.79
Regular price $29.25
Unit price
per 
Made from the highest quality materials available. Comes with all seals necessary to rebuild the engine and transmission.Vehicle Fitment:1983-1986 Yamaha TT600 1984-1995 Yamaha XT600
54% Off
Regular price $60.88
Sale price $60.88
Regular price $131.95
Unit price
per 
Bore: 90.96mm Compression: 11.3:1 Compression Sizing: 1.00mm OversizeMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other sp...
55% Off
Regular price $79.91
Sale price $79.91
Regular price $178.95
Unit price
per 
Bore: 90.96mm Compression: 11.3:1 Compression Sizing: 1.00mm OversizeNIKASIL CYLINDER. Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Teflon/Molybden...
37% Off
Regular price $58.36
Sale price $58.36
Regular price $91.95
Unit price
per 
Silicone aluminum alloy construction with teflon and molybdenum coating and hard anodized crown. Machined smooth heads. MOS 2 Coating:. Draws heat through piston walls and out the bottom. Reduces ...
5% Off
Regular price $21.25
Sale price $21.25
Regular price $22.37
Unit price
per 
2-stroke kits include all applicable o-rings, springs, washers and gaskets. 4-stroke kits include the exhaust gasket (KTM version also includes springs). Multi-cylinder applications include enough ...

Your Garage

Add a Vehicle