Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Trick Flow High Port Heads - Small Block Ford (Set of 16) SG1-480 featuring 3/4 inch custom formed

featuring 3/4 inch custom formed foam backing

F1 tested Aerodynamics for an incredibly stable helmet at any speed

truck pullers

1 specification

3/4 in Smooth Bore to 3/4 in 20 Spline

Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Trick Flow High Port Heads - Small Block Ford (Set of 16) SG1-480 featuring 3/4 inch custom formedProduct Description: Rocker Arm Pro Series Shaft Mount 1. 6 1. 6 Ratio Full Roller Aluminum Natural Trick Flow High Port Heads Small Block Ford Set of 16 Dan Jesel realized early on that the success and demand for his high end valvetrain components was in part dependent on huge valve lifts, unheard of spring pressures and rpm that most thought was impossible. So he started on a 10 year quest to perfect the roller lifter. After nearly nine years of R&D