CYL.HD. 3.62566-78BT NAT

Super Stock® Cylinder Head KitHeads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepersKit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructionsFeatures stock appearance, but flow better than stock headsUse OEM manifolds and exhaustMade in the USAMachined 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