Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
5-1/2 x 7-1/2 in Base
Fits both single & dual 4-barrel set ups
Redesigned shoulder restraint gives more arm clearance
SFI certification expires five years from date of manufacture
Merlin II / III Blocks
Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.8 / 1.8 Ratio - Full Roller - AFR Mongoose Heads - GM LS-Series (Set of 16) 1000690 5-1/2 x 7-1/2 in BaseProduct Description: Rocker Arm Pro Series Shaft Mount 1. 8 1. 8 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
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