7/16" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) Will work with any Speedmaster

Will work with any Speedmaster or Speedmaster bellhousing

our Top-End engine kits will save you the time and hassle of mixing and matching components yourself

Speedmaster brackets are constructed from durable steel

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the blue anodized aluminum construction delivers performance and a show car quality appearance

7/16" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) Will work with any SpeedmasterSpeedmaster 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