; Fabricated entirely from superior quality aluminum, ultra lightweight; One-piece billet rail is CNC machined to ensure a precision flat surface for superior sealing; Mating of the billet rail to the valve cover is done with a smooth transition, eliminating trapped oil and spills when removing the cover*Not legal for sale or use on pollution-controlled vehicles
- Fabricated Aluminum
- One-piece CNC-machined Billet Rail
- Steel Inserts
- 3.875 Tall
- Pockets on both Exhaust and Intake
- BBC and Aftermarket Cylinder Heads with stock GM bolt pattern
- Clears Jesel & T&D Rocker Shaft Assemblies.