7/16" Rocker Arm Screw In Stud Kit (2.000" Above Hex) They're designed with performance in

They're designed with performance in mind

We control the entire machining process and use only premium materials

they utilize a cotton gauze with aluminum mesh construction

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

Speedmaster Chevy LS2 rotating assembly featuring a precision-ground forged 4340 steel crankshaft

7/16" Rocker Arm Screw In Stud Kit (2.000" Above Hex) They're designed with performance inSpeedmaster 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.