OptiTorque | 2001-2004 GM Duramax Custom Age Head Stud Kit

These studs go through an exclusive heat treatment method, distinct from those used in the automotive, commercial, and aerospace industries. This process allows OptiTorque to achieve higher tensile strengths while maintaining exceptional durability. 

FEATURES

Tensile Strength - 260,000 to 300,000 PSI

Made Using The Finest Quality Domestically Melted Premium Steel

Straightened Prior To Centerless GrindingTo Maintain Concentricity And Roundness

MADE IN THE USA!