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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Additional fittings may be required depending on your application
While the GM 8
Speedmaster chrome
8" diameter ring gear and removable pinion support
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
3/8" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) Additional fittings may be requiredSpeedmaster 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
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