Set of AA Type 4 Heads 48 x 38 Valves, Square Port, Dual High-Rev Stage 1 P&P Pertronix These completed combos are a

These completed combos are a simple way to build a large displacement engine with minimal machine work

Great torque

Build the performance Head of your needs

alcohol blends (up to and including E85)

Works with OEM Porsche 200mm clutch

Set of AA Type 4 Heads 48 x 38 Valves, Square Port, Dual High-Rev Stage 1 P&P Pertronix These completed combos are aThis is a brand new (Set of 2) Stage 1 Port and Polished High Performance Cylinder Heads for a Type 4 Bus. Heads comes with stainless steel 48mm intake and a stainless steel 38mm exhaust valves, with harden keepers, chromoly retainers, and dual high rev springs. They areready to install. Made from an AA 2. 0L Square Port type4 casting using 8mm valvestems . The heads can also be opened to 103 to accommodate the larger bore sizes. Engine: VW Type 4