7/16" Polylock Rocker Arm Nut Set (Suits: BBC 454 Stud Girdle) They are built from strong

They are built from strong

Designed for precision fitment and easy installation

378" (35mm) axle shaft35 spline axles:Requires bearing PCE231

this pulley ensures optimal performance and efficiency for supercharged setups

Built with sturdy

7/16" Polylock Rocker Arm Nut Set (Suits: BBC 454 Stud Girdle) They are built from strongSpeedmaster 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