Extend the life of your components with a Jesel Certified Performance Rebuild (CPR). Our expert technicians meticulously inspect, clean, and rebuild your Jesel rockers, lifters, and followers to …

Explore Jesel's advanced Camshaft Belt Drives, designed for precision and durability. Featuring the patented High Torq Drive™ belt, heat-treated components, and Teflon® coated seals, our belt drives …

Trusted by Champions Racers and engine builders worldwide trust Jesel to provide unmatched performance and reliability.

Discover Jesel's Sportsman Aluminum Shaft Rockers, engineered for superior performance and durability. Ideal for racing and high demand applications, our shaft rockers offer precise valve …

Choose Jesel Pro Series shaft rockers to elevate your race engine's performance to championship levels. Explore the possibilities and customize your components to suit your racing needs, and step …

Jesel Tech Tips, Frequently Asked Questions, Installation Instructions, Rocker Arm Geometry and Rocker Code Chart.

By machining the head in house, Jesel can custom fit a longer pivot rocker to clear the spring while adding multiple mounting points to firmly secure the valvetrain.

Jesel now manufactures five different styles of roller lifters in various sizes: Keyway, Dog-Bone, Tie-Bar, Sportsman Solid Body, and the latest wheel-guided Cartridge Roller Lifters.

Jesel offers a wide variety of Tools and Accessories. Everything from Spring Removal Tools, to Valve Lash Adjusters and Rocker Length Gauges.

Explore Jesel Pro Steel Shaft Rockers, engineered for unmatched durability. Ideal for high-pressure engines in racing applications like NHRA Pro Mod and endurance events.