OptiTorque Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - Big Block Chevy w/ Dart / AFR / GM Performance Heads AIR52301 2-1/2" length with universal 5/8"

2-1/2" length with universal 5/8" and 3/4" female pilot

1975-1980 Chevrolet C10 Cheyenne CID 350 Naturally Aspirated GAS

The Venti WRX Dirt allows you to takle the harshest environments of Baja

Supreme Ultimate In Style And Service

OptiTorque Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - Big Block Chevy w/ Dart / AFR / GM Performance Heads AIR52301 2-1/2" length with universal 5/8"Product Description: Cylinder Head Stud Kit 12 Point Nuts Chromoly Black Oxide Big Block Chevy Dart AFR GM Performance Heads OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.