7/16" Polylock Rocker Arm Nut Set (Suits: Aluminum Rockers) these spacers can handle anything

these spacers can handle anything your vehicle can dish out

you need Speedmaster ball joints

By using an aggressive lobe profile

a C5 Corvette hub bearing pack

The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases

7/16" Polylock Rocker Arm Nut Set (Suits: Aluminum Rockers) these spacers can handle anythingSpeedmaster 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