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 - Cylinder Kits - Cylinders & Kits

426 products
Powersport Superstore is your go-to source for Engine - Cylinder Kits - Cylinders & Kits and related parts. Shop our unbeatable selection of Cylinders & Kits with top-tier service, fast shipping, and great prices.
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
10% Off
Regular price $529.99
Sale price $529.99
Regular price $588.95
Unit price
per 
Complete engine rebuild. Crankshaft assembly. OEM quality main bearings. All engine gaskets, seals, and o-rings. Wiseco ProLite 2-stroke piston and top end bearing. Wiseco standard series 4-stroke ...
10% Off
Regular price $479.99
Sale price $479.99
Regular price $532.95
Unit price
per 
SPECIFICATIONS. Complete Kit: Crankshaft, Top End, Gaskets, Seals, Main Bearings. Bore - Standard: 45.0mm. Bore - Actual: 45.0mm. Bore - Oversize: STD. Additional Info.: Hour Meter Included. ITEM C...
10% Off
Regular price $649.99
Sale price $649.99
Regular price $721.95
Unit price
per 
SPECIFICATIONS. Complete Kit: Crankshaft, Top End, Gaskets, Seals, Main Bearings. Bore - Standard: 54.0mm. Bore - Actual: 54.0mm. Bore - Oversize: STD. Additional Info.: Hour Meter Included. ITEM C...
10% Off
Regular price $529.99
Sale price $529.99
Regular price $588.95
Unit price
per 
SPECIFICATIONS. Complete Kit: Crankshaft, Top End, Gaskets, Seals, Main Bearings. Bore - Standard: 52.0mm. Bore - Actual: 52.0mm. Bore - Oversize: STD. Additional Info.: Hour Meter Included. ITEM C...
10% Off
Regular price $789.99
Sale price $789.99
Regular price $877.95
Unit price
per 
SPECIFICATIONS. Complete Kit: Crankshaft, Top End, Gaskets, Seals, Main Bearings. Bore - Standard: 76.8mm. Bore - Actual: 76.8mm. Bore - Oversize: STD. Compression Ratio - Actual: 13.2:1 CR. Engine...
9% Off
Regular price $239.28
Sale price $239.28
Regular price $262.95
Unit price
per 
It is recommended that Athenas 17.5mm or 19mm Scooter carburetor be used with these bolt-on big bore kits. See Fuel Systems section.. Kits include aluminum cylinder with nickel-carbide coating des...
14% Off
Regular price $431.50
Sale price $431.50
Regular price $499.95
Unit price
per 
Designed to match OEM in appearance and specifications. Cast from AB4C aluminum with nikasil plated sleeves for excellent wear & durability. AT-09477 & AT-09478 require no case modification...
Regular price $473.53
Sale price $473.53
Regular price
Unit price
per 
Intake: max valve lift .415in., installed height 1.190in., seat pressure 61 lb., open pressure 168 lb.;. Exhaust: max valve lift .415in., installed height 1.220in., seat pressure 56 lb., open press...
5% Off
Regular price $533.85
Sale price $533.85
Regular price $561.95
Unit price
per 
Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders. Nickel Silicon Carbide plated for long life.Vehicle Fitment:2017-2022 Husqvarna F...
6% Off
Regular price $3,584.69
Sale price $3,584.69
Regular price $3,795.95
Unit price
per 
Contains nearly everything needed to take a stock 74in. or 80in. H-D Shovelhead engine up to 93in. or 96in. displacement. Includes 3.625in. bore high tensile, cast iron Sidewinder cylinders and for...
18% Off
Regular price $1,003.06
Sale price $1,003.06
Regular price $1,223.95
Unit price
per 
CRANKSHAFT POWER: 42.0 HP / 11.500 RPM. Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets. Includes Forged piston, rings, clips and pin. Athena top-end ...
Regular price $249.95
Sale price $249.95
Regular price
Unit price
per 
8 studs with rounded thread roots, rather than flat, improving fatigue strength. 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC. Positive stop shoulder allows for consistent install...
9% Off
Regular price $373.05
Sale price $373.05
Regular price $409.95
Unit price
per 
To be used with Athena cylinder and head assemblies. Standard Bore Cylinder.Vehicle Fitment:1997-2004 Yamaha YZ125
9% Off
Regular price $365.77
Sale price $365.77
Regular price $401.95
Unit price
per 
Standard Bore Cylinder.Vehicle Fitment:2000-2009 Kawasaki KX65 2011-2024 Kawasaki KX65 2003-2005 Suzuki RM65
10% Off
Regular price $109.99
Sale price $109.99
Regular price $121.95
Unit price
per 
Save dlls over OEM pricing. Cast pistons in A, B, C and D sizing put engine back to specs without boring or replacing cylinder. Interchanges directly with OEM parts. Bearings and seals are also OEM...
9% Off
Regular price $1,040.08
Sale price $1,040.08
Regular price $1,142.95
Unit price
per 
REAR WHEEL HORSE POWER: 36.9 HP / 9.800 RPM. Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets. Includes Forged piston, rings, clips and pin. Athena top...
15% Off
Regular price $584.76
Sale price $584.76
Regular price $687.95
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...
10% Off
Regular price $729.99
Sale price $729.99
Regular price $810.95
Unit price
per 
Complete engine rebuild. Crankshaft assembly. OEM quality main bearings. All engine gaskets, seals, and o-rings. Wiseco ProLite 2-stroke piston and top end bearing. Wiseco standard series 4-stroke ...

Your Garage

Add a Vehicle