5/16" Base To 7/16" Rocker Stud Set +0.500 Longer Late Ford Head Applications The Speedmaster shift selector shaft

The Speedmaster shift selector shaft is built with sturdy

most include a drain plug for easy fluid changes

They're available in various sizes to suit your needs

Dual distributor holddowns

They also help to insulate the carburetor from engine heat and provide clearance for linkages

5/16" Base To 7/16" Rocker Stud Set +0.500 Longer Late Ford Head Applications The Speedmaster shift selector shaftSpeedmaster 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.