Jesel Adjustable Timing Belt Pulley Spider - Minus 10 to 10 Degrees - Big Block Chevy JGP20600K Carbureted Engines

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Jesel Adjustable Timing Belt Pulley Spider - Minus 10 to 10 Degrees - Big Block Chevy JGP20600K Carbureted EnginesProduct Description: Timing Belt Pulley Spider Adjustable Minus 10 to 10 Degrees Aluminum Natural Big Block Chevy 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