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JE PistonsJE Piston Catalog 2022
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JE PistonsSpiro Lock - 0.927
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JE PistonsSpiro Lock - 1.094 in
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JE PistonsWire Lock - 0.927
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JE PistonsSpiro Lock - .990
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JE PistonsWire Lock - 0.827
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JE PistonsSpiro Lock - 0.927 in
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JE PistonsOil Rail Support
Over seven decades of experience in professional racing has established JE Pistons as the industry leader in automotive and powersports forged racing pistons, including fully custom pistons and ready-to-race forged pistons off the shelf. From domestic to sport compact to European engines, and two and four-wheel powersports machines, JE Pistons has forged pistons to fit your performance goals. Choose your segment above to shop all JE’s forged racing pistons for your application.
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.
JE Pistons has continued to evolve their manufacturing processes, currently offering racing pistons either off the shelf or fully custom. JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE’s 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.
