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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.
9% Off
Namura Technologies NA-50003-4 Piston Kit - 1.00mm Oversize to 75.47mm
$88.69
$88.69
$96.95
Bore: 75.47mm Sizing: 1.00mm OversizeMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits includ...
5% Off
Namura Technologies NX-30050-2 Piston Kit - 0.50mm Oversized to 41.46mm
$41.89
$41.89
$43.95
Bore: 41.46mm Compression: Standard Compression Sizing: 0.50mm OversizeDoes not have machined smooth dome. MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond ...
10% Off
Wiseco 40153M09100 Piston Kit - Standard Bore 90.94mm, 11:1 Compression
$187.99
$187.99
$208.95
Bore: 90.94mm Compression: 11:1 Compression Sizing: Standard BoreBore - Standard: 91.00mm. Bore - Actual: 91.00mm. Bore - Oversize: STD. Compression Ratio - Actual: 11:1 CR. Skirt Coating: ArmorGli...
10% Off
Wiseco 40151M07700 Piston Kit - Standard Bore 76.96mm, 13.5:1 Compression
$209.99
$209.99
$232.95
Bore: 76.96mm Compression: 13.5:1 Compression Sizing: Standard BoreSPECIFICATIONS. Bore - Standard: 77.00mm. Bore - Actual: 77.00mm. Bore - Oversize: STD. Compression Ratio - Actual: 13.5:1. Skirt ...
10% Off
Wiseco 40099M09800 Piston Kit - Standard Bore 97.92mm, Stock Compression
$209.99
$209.99
$232.95
Bore: 97.92mm Compression: Stock Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 641cc. Bore - Standard: 98.00mm. Bore - Actual: 98.00. Bore - Oversize: STD. Stroke: 85.00mm. Cylinde...
10% Off
Wiseco 4628M08800 Piston Kit - 3.00mm Oversize to 90.95mm, 11:1 Compression
$219.99
$219.99
$244.95
Bore: 90.95mm Compression: 11:1 Compression Sizing: 3.00mm OversizeSPECIFICATIONS. Displacement: 426cc. Bore - Standard: 85.00mm. Bore - Actual: 88.00mm. Bore - Oversize: 3.00. Stroke: 70.00mm. Cyl...
9% Off
Athena P400485160023 Gasket Kit for Big Bore Cylinder Kit
$40.90
$40.90
$44.95
Manufactured in State-of-the-art computer controlled facilities. All gaskets made from the highest quality materials. All gasket sets meet or exceed OEM specifi cations.Vehicle Fitment:2002-2019 Ya...
28% Off
Cometic Gasket C9849F EST Complete Gasket Kit - .030in Head Gasket
$256.87
$256.87
$356.95
Every gasket in these kits uses the best materials possible for its intended application. Multi-Layer Steel (MLS) head gaskets. Steel Viton-coated base gaskets. Blue Viton valve stem seals. Aluminu...
6% Off
Athena P400427850007 Complete Gasket Kit
$109.36
$109.36
$115.95
Manufactured in State-of-the-Art computer controlled facilities. All gaskets made from the highest quality materials. All gasket sets meet or exceed OEM specifi cations. 60% of European manufacture...
Athena P400510850034 Complete Gasket Kit
$53.90
$53.90
Manufactured in State-of-the-Art computer controlled facilities. All gaskets made from the highest quality materials. All gasket sets meet or exceed OEM specifi cations. 60% of European manufacture...
9% Off
Athena P400250850220 Complete Gasket Kit
$53.64
$53.64
$58.95
Manufactured in State-of-the-Art computer controlled facilities. All gaskets made from the highest quality materials. All gasket sets meet or exceed OEM specifi cations. 60% of European manufacture...
Athena P400250475014 Waterpump Repair Kit
$55.56
$55.56
Each kit comes with Water Pump Gasket, Clutch Cover Gasket, Water Pump Shaft Oil Seals and relevant washers. Kit content may vary by model. (note: this does not come with the mechanical water pump ...
10% Off
Wiseco 762M05400 Piston Kit (GP Style) - Standard Bore 53.94mm
$171.99
$171.99
$190.95
Bore: 53.94mm Compression: Standard Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 125cc. Bore - Standard: 54.00mm. Bore - Actual: 54.00mm. Bore - Oversize: STD. Stroke: 54.50mm. Tr...
Jims 2471-1 Big Axle Tappet (Std.)
$139.31
$139.31
Standard solid Big Axle rollers are designed around three working parts. The outer wheel/roller has a 27% greater wall sizeless harmonic distortion for better tracking of cam lobe. Pin bearings are...
Hot Cams 5PK890208 8.90mm Valve Shim - 2.08mm
$25.64
$25.64
Made from 4140 cold rolled steel, Hot Cams shim kits and refill packs make the perfect addition to any toolbox for keeping any valvetrain in perfect working order.Vehicle Fitment:2005-2011 KTM 250 ...
Moose Racing 25-4022 Countershaft Seal Kit
$28.67
$28.67
Kit includes hardened steel bushing, an upgraded seal, an O-ring (where applicable) and a snap ring or lock washer (where applicable). Made in the USA.Vehicle Fitment:1991-1997 Yamaha WR250 1978-19...
Moose Racing MSEHCSHIM31 10.00mm Complete Valve Shim Kit
$109.95
$109.95
Complete valve shim kits make it easier to maintain your valve train. Forged from 4140 cold rolled steel, not sintered. Laser etched size on each shim for identification. 10.00mm diameter shim kits...
8% Off
Boyesen CC-07XR Factory Clutch Cover - Red
$97.32
$97.32
$105.95
Set your ride apart from the rest with the ultimate look in race performance. Lightweight factory clutch covers provide years of outstanding protection; guaranteed not to warp. Individually surface...
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