Enlarged radius base provides extra strength for a more durable stable shank
Heat-treated grade 8 alloy steel with black oxide finish
Measures 7/16"-24 x 1.75" top length and 7/16"-14 bottom
Helps horse power increase at high RPM
Overall length of the screw-in rocker arm stud is 2.4375 and sold as a set of 16 pieces
Mr. Gasket Competition Screw-In Rocker Arm Studs are heat treated. Grade 8 alloy steel makes this stud perfect for high performance and race car applications. The enlarged radius at the base of the stud above the hex provides extra length and durability. This design prevents stud flexing and breaking. With the help of these studs the strobe tests show a horsepower increase at high RPM. These alloy steel studs have no oil holes and are concentric to keep the rockers, pushrod and valve stems in alignment. Size of the base thread is 7/16-14 and rocker arm nut thread is 7/16-24. Guideplate locator shank is included with this competition screw-in rocker arm stud. Set of 16 pieces.