Dan Jesel invented the Small Block Chevrolet Camshaft Belt Drive back in 1982 with one goal in mind – to make the most accurate and durable cam timing system available. Since then Jesel Camshaft Belt Drive Systems have often been copied, but have never been duplicated. Today, we offer systems for over 45 unique applications, so whether you’re running a 24 hour endurance race or a 4 second pass down the drag strip, you can count on Jesel to get you to the finish line first.