Jesel Sportsman Shaft Mount Roller Rocker Arm - 1.70 Ratio - AFR Mongoose/Dart/Edelbrock Heads - GM LS-Series (Set of 16) 35690 AN-12 Bulkhead FittingAeromotive Inc

AN-12 Bulkhead FittingAeromotive Inc

The body design utilizes a skirted wheel that strengthens the lifter ears and also provides more contact area with the lifter bore for further lifter stability

1987 Chevrolet R30 CID 283

0 build 32 or higher and ECU firmware 4

Fits one 3-3/8" gauge & four 2-1/16" gauges

Jesel Sportsman Shaft Mount Roller Rocker Arm - 1.70 Ratio - AFR Mongoose/Dart/Edelbrock Heads - GM LS-Series (Set of 16) 35690 AN-12 Bulkhead FittingAeromotive IncProduct Description: Rocker Arm Sportsman Shaft Mount 1. 70 Ratio Full Roller Aluminum Natural AFR Mongoose Dart Edelbrock 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