3/8" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) While the GM 8

While the GM 8

Speedmaster 7000 Series Cast Body Ready-to-Run distributors are the perfect upgrade for your outdated and worn out stock distributor

Speedmaster Fabricated Aluminum Valve Covers are made form high grade aluminum and include billet rails which provides an excellent seal and strength to any performance engine

If you're completing the installation of a Speedmaster electric water pump

Speedmaster power steering pumps are direct replacements for your old used-up OEM pump

3/8" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) While the GM 8Speedmaster 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