Cylinder Kits

Twin Power 17-Up M8 Black 4.25 Inch Big Bore Cylinders Pair

High-quality cast Big Bore Cylinders from Twin Power?"?. Factory style black textured powdercoat finish with highlighted fins. Cast in iron liners for strength and durability and finish honed and ready to run.Direct bolt-on, requires no machine work to...

Twin Power 66-79 Shovelhead Black Cylinder 74in Front Replaces H-D6485-74A

Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast iron for your Shovelhead and Panhead.Cast iron...

Twin Power 84-99 1340 cc Evolution Big Twin Aluminum Cylinder Natural Replaces H-D6510-83A

Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast iron for your Shovelhead and Panhead.Cast iron...

Twin Power 84-99 Evolution 1340CC Black Cylinder Replaces H-D651-83A

Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast iron for your Shovelhead and Panhead.Cast iron...

Twin Power 86-Up XL Natural XL 1200cc Cylinder Replaces H-D6447-88 (04 and Up Req Fin Clearancing)

Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast iron for your Shovelhead and Panhead.Cast iron...