Valvetrain

Jesel Valvetrain – The Best in the Business

Performance Parts, Valvetrain / 3 minutes of reading / March 1, 2023

Jesel – The Great American Valvetrain Co. Are you looking for the best products when it comes to valvetrain components? Look no further than Jesel Valvetrain. With superior quality, attention to detail, and performance, Jesel has been the go-to choice for a variety of motorsports and rocker applications. Whether you’re looking for rockers, lifters, belt drives, or other valvetrain components, Jesel has the perfect product for you. Their products are made with the highest quality […]

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Jesel Belt Drives – FAQ’s

Performance Parts, Valvetrain / 4 minutes of reading / February 28, 2023

The Great American Valvetrain Co. Belt Drive System How often should I change my belt? For V8 drag race applications, we recommend changing the belt after about 250 passes. For any type of oval track or endurance applications, the belt should be changed when the engine gets freshened. If you experience any engine failure that may have even temporarily locked up the rotating assembly, change the belt, its cheap insurance. Is it OK to clean

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Jesel Lifter Cross Section Pro Bushed Lifters

Jesel Valvetrain – Lifters FAQ’s

Performance Parts, Valvetrain / 4 minutes of reading / February 26, 2023

The Great American Valvetrain Co. Lifters What type of oil should I use? We recommend soaking the lifters in mineral based oil prior to installation as well as pre-lubing the engine prior to startup. After initial engine break-in, if you are going to use synthetic based oil, we highly recommend oils containing high zinc content formulated for racing applications. Synthetic oils formulated for street use are not recommended due to a lack of zinc content.

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Jesel Valvetrain – Rockers FAQ’s

Performance Parts, Valvetrain / 5 minutes of reading / January 28, 2023

The Great American Valvetrain Co. Rockers What do you look for when setting roller geometry and sweep pattern? We set our aluminum systems with a low pivot geometry which results in the majority of the sweep pattern occurring while spring pressures are at their lower range. The majority of roller travel occurs from zero lash to half lift which results in minimum roller travel for the duration of lift when spring pressures are greatest. At

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