7/16" Rocker Arm Screw In Stud Kit (2.000" Above Hex) Speedmaster alternator pulleys are manufactured

Speedmaster alternator pulleys are manufactured from quality materials to ensure strength and durability

and most include bolt-in baffles that can be replaced

They're designed with performance in mind

to increase flow for more performance

that's 50 percent less backlash than other competitive cables on the market

7/16" Rocker Arm Screw In Stud Kit (2.000" Above Hex) Speedmaster alternator pulleys are manufacturedSpeedmaster 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.