501 Series Performance Heads 44 by 37.5 Valves, Pair I-beam 279 Duration

279 Duration

1500-1600 Muffler (Beetle & Ghia 66-71)

This is a new set of 92mm Type 1 Thick wall cylinders

250°/260° Duration

501 Series Performance Heads 44 by 37.5 Valves, Pair I-beam 279 DurationThis 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