501 Series Performance Heads 44 by 37.5 Valves, Pair opt-weld-fan Springs: Dual high-rev springs

Springs: Dual high-rev springs

Standard Beetle 67-77 / Ghia 67-74 / Thing 73-74

Please check out the more common upgrades to improve and complete your long block

Machine work needed on 1

- Idle Jet 60

501 Series Performance Heads 44 by 37.5 Valves, Pair opt-weld-fan Springs: Dual high-rev springsThis is a brand new Set of 501 High Performance Cylinder Heads for a VW Type 1 2 or 3 Dual Port. Heads comes with Stainless Steel 44mm Intake and a Stainless Steel 37. 5mm Exhaust Valves, with Harden Keepers, Chromoly retainers, and Single high rev springs. They areready to install. The 501 Series Castings come STD with: Increasedmaterialat the intakesurfacegivingyou theabilityto make much bigger ports. Amodernized Combustionchamber, for increased