S&S is combining its brand new 129- and and 132-cubic inch bolt-in big bore kits with lots of goodies to achieve the ultimate engine build.
Created specifically for CVO bikes with the unique Black Granite engines.
Transform your M8 or Twin Cam Harley-Davidson without breaking the bank.
The ideal combination of performance and savings.
These 129-inch and 132-inch kits for 2017-2022 Harley-Davidson Milwaukee Eight engines are literally huge.
The new cam is designed to work with their 131-in. stroker kit and other huge bore combinations.
Twin Power M8 Big Bore cylinders are factory fitted for the popular Wiseco Black Edition pistons.
Revolution Performance introduces a state of the art, all aluminum, nickel silicon carbide plated, bolt-on 124 in. Big Bore Kit for Milwaukee Eight Harley-Davidson motorcycles.
S&S has introduced the new Winter Power Package designed to transform a big twin into the monster it was meant to be. Bump 1999-’06 engines from 88ci to 100ci and 2007-’17 engines from 96ci or 103ci to 110ci with the new S&S 4″ big bore kit.