7/16" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) These bolts are forged from

These bolts are forged from aerospace alloy and heat-treated prior to thread rolling and machining

look no further than PCE

and Grande Mustangs

They include all hardware for quick and easy installation

Speedmaster valve locks are designed for stock or performance engines using 7 degree valve locks

7/16" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) These bolts are forged fromSpeedmaster 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