Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - AFR Eliminator 227 / 335 Heads - Small Block Chevy (Set of 16) 9200052 The 4771 features a 1

The 4771 features a 1

The GM Coils have MSD performance in factory style housings

Ford Bronco

Shark Nozzles

Center Only

Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - AFR Eliminator 227 / 335 Heads - Small Block Chevy (Set of 16) 9200052 The 4771 features a 1Product Description: Rocker Arm Pro Series Shaft Mount 1. 6 1. 6 Ratio Full Roller Aluminum Natural AFR Eliminator 227 335 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