Set of AMC Head 50 by 40 Valves, Dual High-Rev, Stage 2 P&P opt-hp-plus-piston Porsche 911 90mm 2

Porsche 911 90mm 2

0L into something a little bigger with minimal machine work

Made from special silicone spring steel

Please see engine bearings for the size you need

Left or Right

Set of AMC Head 50 by 40 Valves, Dual High-Rev, Stage 2 P&P opt-hp-plus-piston Porsche 911 90mm 2This is a brand new (Set of 2) Stage 2 Port and Polished High Performance Cylinder Heads for a Porsche 9142. 0L or Type 4 Bus Porsche 1. 8L On the Porsche 2. 0LThe Stock Spark plug holes will be welded up and relocated to the 914 2. 0L position for that application. A 4 stud intake manifold will be required. Heads comes with stainless steel 50mm intake and a stainless steel 40mm exhaust valves, with harden keepers, chromoly retainers, and dual high