Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - AFR Eliminator 245 Heads - Small Block Chevy (Set of 16) 1239200 sleeve nuts & O-ringDerale has

sleeve nuts & O-ringDerale has been the leader in performance cooling for decades

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Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - AFR Eliminator 245 Heads - Small Block Chevy (Set of 16) 1239200 sleeve nuts & O-ringDerale hasProduct Description: Rocker Arm Pro Series Shaft Mount 1. 6 1. 6 Ratio Full Roller Aluminum Natural AFR Eliminator 245 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