Jesel Sportsman Shaft Mount Roller Rocker Arm - 1.70 Ratio - AFR V2 Heads - Big Block Chevy (Set of 16) Firewall Grommet 9/16" 26-Spline

9/16" 26-Spline

1966-72 Oldsmobile Cutlass F-85 and 442 models with 6 or 8 cylinder engine without a console and a Saginaw (343) 3-speed transmission

1965-1974 Chevrolet K10 Pickup

7/16" base thread diameter and 1

Universal - fits multiple angled spark plug boots 1

Jesel Sportsman Shaft Mount Roller Rocker Arm - 1.70 Ratio - AFR V2 Heads - Big Block Chevy (Set of 16) Firewall Grommet 9/16" 26-SplineProduct Description: Rocker Arm Sportsman Shaft Mount 1. 70 Ratio Full Roller Aluminum Natural AFR V2 Heads Big Block Chevy 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 and endless