3/8" Polylock Rocker Arm Nut Set (Suits: Stainless Rockers) Compatible with Gas

Compatible with Gas

Due to the large-diameter 13 in

The automobile engine is a perfect balance of science and mechanical engineering

For extreme high performance applications

Use the stock Quadra-Jet carb or 500-650 cfm vacuum secondary carburetor

3/8" Polylock Rocker Arm Nut Set (Suits: Stainless Rockers) Compatible with GasSpeedmaster rocker arm adjusting nuts are high quality polylocks designed for full roller rocker arms. Made from heat treated, premium grade 4140 chromoly steel, these adjusters provide 190,000 psi tensile strength for the utmost in reliability. Precision CNC machined threads to ensure optimum seat pressure, flush machined set screws for proper contact on the studs, and, best of all, they don't require any special tools for installation. They're