7/16" Polylock Rocker Arm Nut Set (Suits: Aluminum Rockers) 6 pinion gear

6 pinion gear

at a better price than purchasing the parts separately

even under the toughest of circumstances

Speedmaster rear-end assemblies are the ultimate solution

Windsor and Big block applications feature cast construction

7/16" Polylock Rocker Arm Nut Set (Suits: Aluminum Rockers) 6 pinion gearSpeedmaster 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