Jesel Sportsman Shaft Mount Aluminum Roller Rocker Arm - Shaft Mount - 1.70 Ratio - GM LS-Series (Set of 16) 7789 Over 500+ HP at 6500

Over 500+ HP at 6500 rpm (+30 HP more than ported factory heads) and 525+ ft-lbs

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Jesel Sportsman Shaft Mount Aluminum Roller Rocker Arm - Shaft Mount - 1.70 Ratio - GM LS-Series (Set of 16) 7789 Over 500+ HP at 6500Product Description: Rocker Arm Sportsman Shaft Mount 1. 70 Ratio Full Roller Aluminum Natural GM LS Series 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 testing, Dan brought