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) 270-12111D great performing set of headers

great performing set of headers for the popular LS engine swap

double elastic wrist

Save work space and hassle of messy piles in cabinets

1971-1971 GMC G25/G2500 Van

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) 270-12111D great performing set of headersProduct 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