Edelbrock Valve Guide - Intake Knee Protector This allows BMR to offer

This allows BMR to offer a LIFETIME WARRANTY against spring sag

Both come with 100% CNC ported 65cc or 75cc combustion chambers and 80cc exhaust ports with a 3/4'' thick head deck (ideal for nitrous or blower applications)

6 AN inlets

Comes with either the 17 foot standard black heavy duty cable

794" long High Energy pushrods

Edelbrock Valve Guide - Intake Knee Protector This allows BMR to offerManganese bronze valve guide (one each) for Performer & Performer RPM heads, except as noted. Edelbrock, Valve guide, valve, intake valve, exhaust valve, Manganese bronze, Performer, Performer RPM, cylinder heads, heads, 9702Since 1938, Edelbrock has been committed to making the finest high performance products in the industry. The famous Edelbrock Intake Manifold, Edelbrock Aluminum Cylinder Heads and Edelbrock Water Pumps have become the industry