10 Degree 11/32 -0.075" Install Height Chromoly Valve Locks Keepers Speedmaster winches are the complete

Speedmaster winches are the complete recovery system

black or silver anondizing with the impeccable finish you've come to expect from all Speedmaster components

premium-grade 4140 chromoly steel

They are manufactured from high-grade aluminum

This is an outstanding manifold for high performance street Pontiac engines

10 Degree 11/32 -0.075" Install Height Chromoly Valve Locks Keepers Speedmaster winches are the completeSpeedmaster 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