Pay in 4 interest-free payments of $4.72 Learn more
Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
black or silver anondizing with the impeccable finish you've come to expect from all Speedmaster components
premium-grade 4140 chromoly steel
Chrome finish for long-lasting good looks
Includes everything shown
This is an outstanding manifold for high performance street Pontiac engines
10 Degree 11/32 -0.075" Install Height Chromoly Valve Locks Keepers black or silver anondizing withSpeedmaster 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
