143 cubic inch Cylinder Kit with Flat-Top Pistons and

The Revolution Performance RP201-616W is a monster big bore cylinder kit engineered to boost the performance of Milwaukee-Eight 114 and 117 engines. This kit increases displacement to 143 cubic inches, offering significant power gains. The kit includes a pair of all-aluminum cylinders with an NSC coating, known for its durability and performance benefits. The bore size is 4.500 inches. This big bore kit is a direct fit for select Harley-Davidson motorcycles, particularly those equipped with the Milwaukee-Eight engine platform. Upgrade your M8 engine with this kit for increased power and efficiency.