5/16" Polylock Rocker Arm Nut Set Speedmaster bearings are engineered with

Speedmaster bearings are engineered with precision to provide superior quality

They're machined from billet aluminum for lasting durability and good looks

Designed to deliver a flow rate of 67 GPH (255 LPH) at 12V

Made from high-quality cast aluminum

5/16" Polylock Rocker Arm Nut Set Speedmaster bearings are engineered withSpeedmaster 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