7/16" Polylock Rocker Arm Nut Set (Suits: Stainless Rockers) The GM LS1 Modular Ram

The GM LS1 Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited

Speedmaster Keychains are the perfect way to let everyone know where you go for high performance aftermarket parts and accessories

These Speedmaster flexplate dust covers have brilliant triple-chrome plating and are made from heavy-gauge steel

They feature cast iron construction and are powdercoated to protect against corrosion

A billet yoke can mean the difference between winning and losing

7/16" Polylock Rocker Arm Nut Set (Suits: Stainless Rockers) The GM LS1 Modular RamSpeedmaster 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