Ultima Engine Case Stock Bore Natural Fits: > 70-84 Shovelheads

Motor Case Stock Bore Natural Fits: >  70-84 Shovelheads

Engine case styled after the models from 1970 to 1984. Cast-in steel inserts guaranteed not to move. Large bore breather for increased crank case vacuum and less blow by. Alignment dowels for true line bore. Counterbored stainless allen head case bolts. Close machining tolerances. Made from prime C356-T6 aluminum. styling and cosmetic machining for a custom look.

 70-84 Shovelheads in both 74 C.I. and 80 C.I. Uses 84-91 Evo oil pump