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JE Pistons

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.

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.

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JE Pistons SUB EJ25 DOHC 8.5:1 KIT Set of 4 Pistons JE Pistons SUB EJ25 DOHC 8.5:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB EJ25 DOHC 8.5:1 KIT Set of 4 Pistons

$899.99
JEP314336
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons SUB EJ25 DOHC 8.5:1 KIT Set of 4 Pistons JE Pistons SUB EJ25 DOHC 8.5:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB EJ25 DOHC 8.5:1 KIT Set of 4 Pistons

$899.99
JEP314335
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons AUDI S4 2.7LTT KIT Set of 6 Pistons JE Pistons AUDI S4 2.7LTT KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons AUDI S4 2.7LTT KIT Set of 6 Pistons

$1,349.99
JEP314327
Engine Components JE Pistons Piston Sets - Forged - 6cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons

$899.99
JEP314322
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons

$899.99
JEP314321
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 9.5:1 ASYM KIT Set of 4 Pistons

$899.99
JEP314320
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons

$899.99
JEP314319
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons

$899.99
JEP314318
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 8.5:1 ASYM KIT Set of 4 Pistons

$899.99
JEP314317
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons

$899.99
JEP314316
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons

$899.99
JEP314315
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI 9.5:1 KIT Set of 4 Pistons

$899.99
JEP314314
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
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