Set of AA Head 50 by 40 Valves, Dual High-Rev, Stage 2 P&P Size:2.0 Round Port AC Industries has done all

AC Industries has done all the research necessary to provide complete kits to make the disc brake conversion process as painless as possible

Cylinders:Cast Iron

1 Waterboxer Push Rod Tube

Requires 2

Kit included: 4 Cylinders

Set of AA Head 50 by 40 Valves, Dual High-Rev, Stage 2 P&P Size:2.0 Round Port AC Industries has done allThis is a brand new (Set of 2) Stage 2 Port and Polished High Performance Cylinder Heads for a Porsche 914 2. 0L or Type 4 Bus Porsche 1. 8L. Made from an AA 2. 0L 914 type4 casting with breather or AA 2. 0L Bus Square or Round port using 8mm valvestems. Heads comes with stainless steel 50mm intake and a stainless steel 40mm exhaust valves, with harden keepers, chromoly retainers, and dual high rev springs. They areready to install. The heads can also