Jesel Pro Tie-Bar Mechanical Roller Lifter - 0.937 in OD - 0.850 in Offset - Link Bar - GM LS-Series (Set of 16) 40074R MAC Helmet Air Pumper

MAC Helmet Air Pumper

the new LSXrt gives LS3/L92 engines more plenum volume for all-out racing

All nets meet SFI 27

Improves Performance And Fuel Economy

50 Stainless Flathead Screws / Lock Nuts

Jesel Pro Tie-Bar Mechanical Roller Lifter - 0.937 in OD - 0.850 in Offset - Link Bar - GM LS-Series (Set of 16) 40074R MAC Helmet Air PumperProduct Description: Lifter Pro Mechanical Roller 0. 937 in OD 0. 850 in Offset Link Bar 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 testing, Dan brought the