90 1497 Super Stock Cylinder Head Kit Harley Davidson FL 1200 1970 1977

Features: Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers. Kit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions. Features stock appearance, but flow better than stock heads. Use OEM manifolds and exhaust. Made in the USA. Machined for one spark plug per head and accepts 3-5/8" bore cylinders. Cylinder heads are original equipment on S&S® SH-Series engines, and are a great upgrade for stock shovelheads. Rocker boxes are fastened with 5/16"-18 cap screws instead of the stock studs and nuts. Kit Includes: • Front and Rear Cylinder Head Assemblies • Rocker Box Gaskets • Copper Head Gaskets • Exhaust Gaskets • Hardware • Instructions.