From drag racing to endurance racing and everything in between, Championship Winning Racers rely on Jesel Pro Series shaft rockers to get them to the Winner’s Circle.

Undoubtedly one of the most popular performance engines on the planet, General Motors’ LS series of small-block engines became a go-to swap engine for a wide range of vehicles.

Text and Photos by Mike Carpenter When Bill Kuhlmann broke the 200-mph barrier in 1987 with a 615-cubic-inch engine combination, that history-making run changed the industry forever. Nitrous began to earn wide acceptance and monster-displacement engines became the norm. While breaking that mark remained a part of history, the 615 engine combo soon morphed into what we know today as the 632. ...