Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Dart 23 Degree Heads - Small Block Chevy (Set of 16) HLY300-719BK New materials such as the

New materials such as the polyester TREVIRA were introduced

set a two step rev limit

Easily mount to any handlebar with wrap-around velcro strap to provide secure and convenient location positioning and operation

Bump n Run Radiator Ducts

Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Dart 23 Degree Heads - Small Block Chevy (Set of 16) HLY300-719BK New materials such as theProduct Description: Rocker Arm Pro Series Shaft Mount 1. 6 1. 6 Ratio Full Roller Aluminum Natural Dart 23 Degree 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 and