S&S Cycle V80 Series Engine - Wrinkle Black - Custom Frame | Evolution Big Twin479656723 Product Description Fits in a stock frame just like a stock engine with a little more punch with S&S Super E carburetor, S&S 508 camshaft, and high flow S&S cylinder heads, and S&S Super Stock single fire ignition Same displacement and physical dimensions as the stock '84 '99 Evolution Big Twin engine or '70 '99 custom frame with alternator style primary The V80 is built from the same superior materials as S&S larger performance engines