Engine - Cylinder

Replacement 74 inch Knucklehead cylinder and piston kit are honed and pre fitted with 8.5:1 compression cast pistons and rings. Set does not featur...

Replacement 61 inch Knucklehead cylinder and piston kit features cast iron construction with 5 fins above head bold line. Original markings with a ...

This kit increases displacement of the TC-96 models to produce 103cc with stock flywheels. These cylinders require no crankcase machining and are f...

Panhead cylinder kit includes 74 inch cylinders fitted with standard cast pistons (8.5:1) and hastings standard FLH ring set. *NOTE: Oil feeds rock...

2022 New Production Replica 74 inch Knucklehead cylinder set with 5 fins and black finish features cast iron construction with original markings. P...

OEM #: 92500039 110 inch motorshop 4 inch big bore bolt on cylinder and piston kit takes your 96ci or 103ci motor to a full 110ci without removing ...

Increase your stock Evolution engine with our 88 inch cylinder kit. Our kit includes two 3-5/8 inch silver cylinders which have been honed for fina...

Twin Cam 96 or 103 Big Bore cylinder is black with aluminum high-lighted fin edges. Used to increase 96 or 103cc to 1800cc. The finished honed size...

Replica 80 inch front or rear Evolution cylinder is sold each. Cylinder has a natural finish. Piston and rings are not included. Fitment: 1986-199...

Big bore cylinder kit for 1200-1270cc conversion on Sportster models. Increase your horsepower with our V-Twin 1270cc big bore conversion kit. Our ...

Big bore cylinder kit for 883-1270cc conversion on Sportster models and has a 10.1 compression ratio. Increase your horsepower with our V-Twin 1270...

Replica rear cylinder has an OE style casting number code. Cylinder is bored and honed to 3.438 inch inner diameter. Bore size is 3.4380 inch-3.438...

Replica front cylinder has an OE style casting number code. Cylinder is bored and honed to 3.438 inch inner diameter. Bore size is 3.4380 inch - 3....

Big bore cylinder kit for 1200-1270cc conversion on Sportster models. Kit includes head gasket and has a compression ratio of 10.1. Increase your h...

Big bore cylinder kit for 883-1270cc conversion on Sportster models. Kit includes head gasket and has a compression ratio of 10.1. Increase your ho...

Replica 74 inch Knucklehead cylinder set with 5 fins and black finish features cast iron cast construction with original markings. Set is used for ...

TC-88 Big Bore cylinder kit includes forged 10.5:1 piston kit and silver cylinders. This kit requires case machining and fits a stock 4 inch stroke...

Evolution 83 inch Big Bore bolt on silver cylinder kit includes 10:1 compression Wiseco forged dome piston kit which have been honed for final fitm...

Evolution 83 inch Big Bore bolt on black cylinder kit includes 10:1 compression Wiseco forged piston kit which has been honed for final fitment. Cy...

This M8 engine design is made for displacement increases. Designed to fit on factory engine base without case boring. Cylinder has a black finish w...

This M8 engine design is made for displacement increases. Designed to fit on factory engine base without case boring. Cylinder has a black finish w...

Motorshop 1200cc cylinder kit includes Wiseco fitted 10.5:1 piston and ring sets to be used with 1200cc heads only. Can not be used as Big Bore kit...

Motorshop 1200cc cylinder kit includes Wiseco fitted 9:1 piston and ring sets to be used with 1200cc heads only. Can not be used as Big Bore kit fo...

Motorshop 1200cc cylinder kit includes Wiseco fitted 9:1 piston and ring sets to be used with 1200cc heads only. Can not be used as Big Bore Kit fo...