7/16" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) aluminum and 100 percent pressure-

aluminum and 100 percent pressure- tested to eliminate leak

Failure or poor performance from a coil can result in a misfire

stable air flow at any rpm

unlike plastic alternatives

They do this using a unique design in which cooling tubes draw cool air through the transmission fluid

7/16" Polylock Rocker Arm Nut Set (Suits: Stud Girdle) aluminum and 100 percent pressure-Speedmaster 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