10 Degree 11/32 -0.075" Install Height Chromoly Valve Locks Keepers This is an outstanding manifold

This is an outstanding manifold for high performance street Pontiac engines

Speedmaster winches are the complete recovery system

premium-grade 4140 chromoly steel

These Performance Automatic hardened input shafts are custom-forged from 9310 non-twist steel

10 Degree 11/32 -0.075" Install Height Chromoly Valve Locks Keepers This is an outstanding manifoldSpeedmaster valve locks are wider angled 10 degree locks. They distribute the ever increasing valve spring loads over the retainer better than typical 7 degree locks by reducing the chance of "pull through" failure. They are machined from chromoly steel, heat treated for maximum strength, and designed with a 10 degree taper. The Speedmaster valve locks will fit any Speedmaster 10 degree retainer and are recommended for all race applications due to