Fits '70-'99 custom chassis with alternator-style primary
Includes Natural crankcase with black powder-coat cylinders, S&S Super Stock® cylinder heads, S&S forged pistons, S&S billet cam cover, '84-'99 style S&S 585 camshaft and tappets, S&S hydraulic valve train and roller rockers, S&S Super E carburetor with teardrop air cleaner, S&S Super Stock® single fire ignition and oil filter mount for generator location