10 Degree 11/32" +0.050" Install Height Chromoly Valve Locks Keepers built with the muscle and

built with the muscle and reliability to pull you through any situation

low-resistance

Speedmaster bearings are precision-engineered to provide you with superior quality

This model is for the enthusiast who wants the hardest

10 Degree 11/32" +0.050" Install Height Chromoly Valve Locks Keepers built with the muscle andSpeedmaster 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