10 Degree 11/32 -0.075" Install Height Chromoly Valve Locks Keepers Speedmaster wing nuts are 5

Speedmaster wing nuts are 5 in

It is also available machined for injectors

Experience unparalleled performance and power with Speedmasters 6-71 Complete Supercharger Kitengineered for maximum horsepower and durability

and a removable center section for cam adjustment or replacement

10 Degree 11/32 -0.075" Install Height Chromoly Valve Locks Keepers Speedmaster wing nuts are 5Speedmaster 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