Jesel Rocker Arm Adjuster - 3/8-24 in Thread - 5/16 Ball (Set of 8) Nitrile O-Ring 231 in Rectangular Port

231 in Rectangular Port

Standard Cuffed Gauntlet

Raised guide plates for Small Block Chevy applications

Extremely versatile

guides: Manganese bronze

Jesel Rocker Arm Adjuster - 3/8-24 in Thread - 5/16 Ball (Set of 8) Nitrile O-Ring 231 in Rectangular PortProduct Description: Rocker Arm Adjuster 3 8 24 in Thread 5 16 Ball Steel Set of 8 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 testing, Dan brought the first Jesel roller lifters to