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With racing roots dating back over 70 years, JE Pistons is the industry leader in high-performance forged pistons. JE’s performance and quality is the result of decades of experience gained working with elite engine builders and racers from almost all types of motorsports competition, and is proven in our victories, championships, and innovations. JE controls every step of our manufacturing process, designing, forging, and machining all our pistons 100% in-house in our USA manufacturing facility. Find the perfect set of pistons for your next build off-the-shelf, or work with our technical experts to create a completely custom set.
JE History
The origins of what we know today as JE Pistons can be traced back to 1912 and the Los Angeles foundry of William Jahns Sr. and his company W.H. Jahns. Employing the tagline, “Nothing but Pistons,” the W.H. Jahns company produced pistons and semi-finished pistons until 1948, when Jahns Sr. retired. Meanwhile, Jahns’ son, William “Uncle Bill” Jahns Jr., started and had been working on his company Jahns’ Racing Pistons since 1947. Shortly after, the business became Jahns’ Engineering Pistons, and was finally shortened to JE Pistons.
Through the following years, JE Pistons’ technology evolved, from mastering casting technology in the 60s to researching and implementing forging technology in the 70s. Numerical Controlled (NC) machines were introduced to manufacturing in the early 80s, which was quickly improved to the use of Computer Numerical Controlled (CNC) machines and a proprietary piston design and machining program in the mid-80s.