Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.7 / 1.7 Ratio - Full Roller - AFR Mongoose Heads - GM LS-Series (Set of 16) 21319CF 351-400 SVO and Ford Windsor

351-400 SVO and Ford Windsor engines

3/8" Hose Barb Outlet

Easy Bolt-On & Pop-In Installation

Small Bolt Pattern

Automatic Shifter - Quicksilver - Console

Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.7 / 1.7 Ratio - Full Roller - AFR Mongoose Heads - GM LS-Series (Set of 16) 21319CF 351-400 SVO and Ford WindsorProduct Description: Rocker Arm Pro Series Shaft Mount 1. 7 1. 7 Ratio Full Roller Aluminum Natural AFR Mongoose Heads 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