3/8" Rocker Arm Screw In Stud Kit (2.000" Above Hex) or street performance

or street performance

Available in different bore diameters to suit your specific engine's needs

Will work with any Speedmaster or Speedmaster bellhousing

Speedmaster automatic transmission deep pans provide additional fluid capacity and cooling ability

Designed to bolt onto our aluminum center sections and used with our various housing end applications

3/8" Rocker Arm Screw In Stud Kit (2.000" Above Hex) or street performanceSpeedmaster 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.