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.
Regular price $60.90
Sale price $60.90
Regular price
Unit price
per 
Pro-X Top End Gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!.Vehicle ...
10% Off
Regular price $477.86
Sale price $477.86
Regular price $530.95
Unit price
per 
Designed to meet the demands of the new S&S Super Sidewinder Plus series motors. Pump produces 38% more volume and 61% more return over stock type pumps. Severe duty billet steel gears provide ...
Regular price $44.10
Sale price $44.10
Regular price
Unit price
per 
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2017-2022 Harley Davidson FLHR Road King 2017-2022 Harley Davidson FLHRXS Road King Special 2019-2022 Harley Davidson FLHT Electr...
30% Off
Regular price $35.48
Sale price $35.48
Regular price $50.95
Unit price
per 
SPI top end gasket sets contain high performance reed and base gaskets plus intake exhaust gaskets for a complete cylinder rebuild. Does not include intake exhaust gaskets.Vehicle Fitment:1989-1992...
Regular price $48.52
Sale price $48.52
Regular price
Unit price
per 
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2018-2020 Harley Davidson FLDE Deluxe 107 2018-2019 Harley Davidson FLFB Fat Boy 107 2018-2022 Harley Davidson FLFBS Fat Boy 114 ...
Regular price $49.56
Sale price $49.56
Regular price
Unit price
per 
H-D# 24647-87. Sold individually.Vehicle Fitment:1996-2003 Harley Davidson XL1200C Sportster 1200 Custom 1996-2003 Harley Davidson XL1200S Sportster 1200 Sport 1999-2003 Harley Davidson XL883C Spo...
Regular price $17.04
Sale price $17.04
Regular price
Unit price
per 
Bronco offers OEM Replacement valves for both utility and sportmodel ATVs. OEM Replacement valves are made of durable SUH35B heat resistant steel that also come with fill Nitride finish for further...
Regular price $35.87
Sale price $35.87
Regular price
Unit price
per 
Pro-X Top End Gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!.Vehicle ...
10% Off
Regular price $215.10
Sale price $215.10
Regular price $239.00
Unit price
per 
Includes friction plates, steel drive plates, and a set of springs. Carbon Fiber segmented friction plates are extremely durable and heat tolerant. A high static and dynamic coefficient of friction...
Regular price $35.61
Sale price $35.61
Regular price
Unit price
per 
Spring sets have correct quantity included for each model.Vehicle Fitment:2001-2002 Yamaha WR426F 2003-2009 Yamaha WR450F 2011-2023 Yamaha WR450F 2012-2013 Yamaha YFZ450 2002-2024 Yamaha YZ250 2022...
Regular price $57.69
Sale price $57.69
Regular price
Unit price
per 
Sold in pairs. Machined from solid bronze bar stock. Hold concentricity to less than .0002in. Lead-in edge for easy installation. Made in the USA.Vehicle Fitment:1936-1937 Harley Davidson E 1941-1...
Regular price $35.56
Sale price $35.56
Regular price
Unit price
per 
Set of 6 heavy duty springs.. Made in the USA.Vehicle Fitment:1980-1981 Suzuki GS1000G 1980-1981 Suzuki GS1000GL 1980-1982 Suzuki GS1100E 1982-1983 Suzuki GS1100G 1982-1983 Suzuki GS1100GK 1982-19...
10% Off
Regular price $722.66
Sale price $722.66
Regular price $802.95
Unit price
per 
Precision machined from billet aluminum. Independent scavenge sections for Flywheel Cavity and Cam Chest. Debris Screens in both scavenge pickups. Magnet in cam chest to help prevent debris from en...
Regular price $78.70
Sale price $78.70
Regular price
Unit price
per 
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2018-2020 Harley Davidson FLDE Deluxe 107 2018-2019 Harley Davidson FLFB Fat Boy 107 2018-2022 Harley Davidson FLFBS Fat Boy 114 ...
10% Off
Regular price $422.99
Sale price $422.99
Regular price $469.95
Unit price
per 
SPECIFICATIONS. Complete Kit: Crankshaft, Top End, Gaskets, Seals, Main Bearings. Bore - Standard: 48.5mm. Bore - Actual: 48.5mm. Bore - Oversize: STD. Additional Info.: Hour Meter Included. ITEM C...
20% Off
Regular price $176.81
Sale price $176.81
Regular price $219.99
Unit price
per 
Designed for Stock Tires. Elevation 3-6000'. Our best all around use kit. Great for trail riding, occasional mud and sand riding, plowing and hauling. Better low end and midrange acceleration. Quic...
15% Off
Regular price $533.76
Sale price $533.76
Regular price $627.95
Unit price
per 
Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders. Cylinder kits include matched Vertex pistons to ensure longevity, performance and...
Regular price $28.55
Sale price $28.55
Regular price
Unit price
per 
C4 fit. Save $$ Over OEM pricing. Interchanges directly with OEM parts.

Your Garage

Add a Vehicle