M8 8mm Base to 3/8" Rocker Arm Screw In Stud Kit (1.380" Above Hex) Chevy GM LS Match your camshaft with Speedmaster

Match your camshaft with Speedmaster iron distributor gears

These durable output shafts can withstand power level increases in high-horsepower vehicles

The GM LS1 Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited

and a high-performance

M8 8mm Base to 3/8" Rocker Arm Screw In Stud Kit (1.380" Above Hex) Chevy GM LS Match your camshaft with SpeedmasterSpeedmaster 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.