7/16" Rocker Arm Screw In Stud Kit (2.300" Above Hex) The internal components are made

The internal components are made from EN36 Material as used in racing

They feature a sleek chrome finish with an aluminum housing and have a 100 amp capacity

They feature extra-thick steel that's double-welded to the ring gear for added strength and anodized for corrosion resistance

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and a removable center section for cam adjustment or replacement

7/16" Rocker Arm Screw In Stud Kit (2.300" Above Hex) The internal components are madeSpeedmaster 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.