5/16" Base To 7/16" Rocker Stud Set +0.500 Longer Late Ford Head Applications Featuring thicker walls and more

Featuring thicker walls and more gusseting than any other manufacturer

These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body

Speedmaster aluminum LS valve covers will give your LS series engines a totally new look

Speedmaster mounting kits allow you to mount your water pump to your vehicle

Designed to fit most applications with dual bolt patterns for Borg & Beck and Long-style clutch assemblies

5/16" Base To 7/16" Rocker Stud Set +0.500 Longer Late Ford Head Applications Featuring thicker walls and moreSpeedmaster arm stud kits are made of 4140 Chromoly steel. They're roll threaded, heat treated to a maximum strength of 190,000+ PSI. and have a black oxide corrosion resistant finish. They feature larger radius stud fillets for extra strength.