VW 1600 Based Type 1, 2 And 3 Complete Stock Dual Port Heads 85.5mm, Cut 90.5/92mm Or 94mm. Cooling air passages are clear as the original for the best cooling possible, designed like the original to last. New heads come with new components, stainless steel valves, stock springs, retainers, keepers and small (bottom) deflector tin. 35.5mm intake with 32mm exhaust valves with 14mm X 1/2 inch reach spark plug holes. Sold each or in pairs.