Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Trick Flow High Port Heads - Small Block Ford (Set of 16) COM31-333-4 Volkswagen Jetta 2011-15

Volkswagen Jetta 2011-15

19 in Fan Opening

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Specially designed return spring arm attaches to the carb for simple installation and smooth operation

Crower Rocker Arms

Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.6 / 1.6 Ratio - Full Roller - Trick Flow High Port Heads - Small Block Ford (Set of 16) COM31-333-4 Volkswagen Jetta 2011-15Product Description: Rocker Arm Pro Series Shaft Mount 1. 6 1. 6 Ratio Full Roller Aluminum Natural Trick Flow High Port Heads Small Block Ford 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