10 Degree 11/32" -0.030" Install Height Chromoly Valve Locks Keepers The successful formula of offering

The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems

They're made from a tough

050 effectively decreasing spring pressure

this pulley ensures optimal performance and efficiency for supercharged setups

10 Degree 11/32" -0.030" Install Height Chromoly Valve Locks Keepers The successful formula of offeringSpeedmaster 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