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The air flowing under the plenum provides a cooler charge for the incoming air with less heat transfer from the engine
We offer the best in differential components including this differential side adjusters
They feature a polished finish to jump-start some life into your engine compartment
This Speedmaster 300M steel crank gear
They're available for a variety of applications
3/8" Polylock Rocker Arm Nut Set (Suits: Stainless Rockers) The air flowing under theSpeedmaster 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
US$ 125.00
US$ 129.00
US$ 139.00
US$ 114.50
