Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.7 Ratio - Full Roller - Profiler Heads - Big Block Chevy (Set of 16) 42038BK with headers and 2200+ stall

with headers and 2200+ stall

but they also improve the handling capabilities at the same time

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Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.7 Ratio - Full Roller - Profiler Heads - Big Block Chevy (Set of 16) 42038BK with headers and 2200+ stallProduct Description: Rocker Arm Pro Series Shaft Mount 1. 7 Ratio Full Roller Aluminum Natural Profiler 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