The Long-Block Installation Kit delivers a complete long-block assembly engineered for street performance. 🔧 Designed for riders seeking power and reliability, the kit features high compression (10.8:1), forged flat-top pistons, Super Stock heads, crankcases, a high-flow oil pump, cam cover and easy-start cams. No fuel system or ignition components are included.
Specs: displacement 124\"; bore 4-1/8\"; stroke 4-5/8\"; 640 cam. Cylinder heads are 99-05 style; owners of 06 models will need 99-05 style offset intake flanges. Heads are specially machined for stock-length intake manifolds (S&S manifold size 410) and have stock-style breather bolt locations so most stock and performance air cleaners will fit. Black Edition replaces chrome covers with gloss black engine covers. Made in the U.S.A. 🚀