Jesel External Camshaft Belt Drive - Big Block Chevy 35453BK Integrated idle bypass valve allows

Integrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship

Diameter: 1 1/8"

Trans-Dapt Chrome Water Neck O-Ring Style 9230

We are working even harder to continue to offer the superior quality

OUTER SHELL Coated in silicone to insulate and hold up under extreme conditions

Jesel External Camshaft Belt Drive - Big Block Chevy 35453BK Integrated idle bypass valve allowsProduct Description: Camshaft Belt Drive External Aluminum 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 first Jesel roller lifters to market in