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 …

Jesel camshaft belt drives provide superior accuracy in cam timing, reduced vibrations, and extended engine life. They are designed for high-performance racing applications, offering …

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 …

Driven by Innovation Since 1980, Jesel has been the driving force behind groundbreaking advancements in valvetrain technology.

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 …

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

Jesel became the go-to valvetrain supplier for NASCAR, NHRA Pro Stock and Comp Eliminator, and Le Mans and Daytona 24 Hour endurance racers. By '07 Jesel expanded again, adding …

That’s where Jesel’s CPR department comes in. Our state of the art Certified Performance Rebuild department will inspect, update and rebuild your Jesel rockers, lifters and followers to …