Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Dart 23 Degree Heads - Small Block Chevy (Set of 16) JOE16551 ARP Pressure plate bolts

ARP Pressure plate bolts

3 Year Warranty

Stock pressure performance upgrade for the M-54D-S

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Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Dart 23 Degree Heads - Small Block Chevy (Set of 16) JOE16551 ARP Pressure plate boltsProduct Description: Rocker Arm Pro Series Shaft Mount 1. 6 1. 6 Ratio Full Roller Aluminum Natural Dart 23 Degree Heads Small 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