Quick Overview
1.70 Ratio fits 7/16" Stud Diameter Gold Race, Extruded Body
Made from heat-treated, extruded aluminum billet bar stock for ultimate strength.
The TR fulcrums are now included in all 7/16" stud Marine Gold Race Extruded Rocker
Arms at no additional charge! Improves response, lowers oil temperature, increases horsepower and RPM.
Requires 7/16" screw-in studs or rocker stud conversion kit on heads. May require modification of stock valve covers or rocker arm body for clearance.
Fits most Big Block Chevrolet, with GM heads, AFR, Brodix BB 1, 2, & 3, Merlin, Edelbrock, and most Dart heads.