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

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

$899.99
JEP314313
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 - Single Piston JE Pistons VW 2.0T TSI 8.5:1 - Single Piston Quick View
JE Pistons

JE Pistons VW 2.0T TSI 8.5:1 - Single Piston

$299.99
JEP314311S
Engine Components JE Pistons Pistons - Forged - Single
Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to...
JE Pistons VW 2.0T TSI 8.5:1 KIT Set of 4 Pistons JE Pistons VW 2.0T TSI 8.5:1 KIT Set of 4 Pistons Quick View
JE Pistons

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

$899.99
JEP314311
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 TOY 2JZGTE 9.5:1 KIT Set of 6 Pistons JE Pistons TOY 2JZGTE 9.5:1 KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons TOY 2JZGTE 9.5:1 KIT Set of 6 Pistons

$1,349.99
JEP314304
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 TOY 2JZGTE 9.5:1 KIT Set of 6 Pistons JE Pistons TOY 2JZGTE 9.5:1 KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons TOY 2JZGTE 9.5:1 KIT Set of 6 Pistons

$1,349.99
JEP314302
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 TOY 2JZGTE 8.5:1 KIT Set of 6 Pistons JE Pistons TOY 2JZGTE 8.5:1 KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons TOY 2JZGTE 8.5:1 KIT Set of 6 Pistons

$1,349.99
JEP314301
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 3.815 BUICK V6 TURBO Set of 6 Pistons JE Pistons 3.815 BUICK V6 TURBO Set of 6 Pistons Quick View
JE Pistons

JE Pistons 3.815 BUICK V6 TURBO Set of 6 Pistons

$775.99
JEP312983
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 3.810 BUICK V6 TURBO Set of 6 Pistons JE Pistons 3.810 BUICK V6 TURBO Set of 6 Pistons Quick View
JE Pistons

JE Pistons 3.810 BUICK V6 TURBO Set of 6 Pistons

$775.99
JEP312982
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 RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons JE Pistons RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons Quick View
JE Pistons

JE Pistons RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons

$899.99
JEP312459
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 RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons JE Pistons RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons Quick View
JE Pistons

JE Pistons RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons

$899.99
JEP312458
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 RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons JE Pistons RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons Quick View
JE Pistons

JE Pistons RENAULT WILLIAMS F7R 12.5:1 Set of 4 Pistons

$899.99
JEP312457
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 RENAULT CLIO RS F4R 12.8:1 Set of 4 Pistons JE Pistons RENAULT CLIO RS F4R 12.8:1 Set of 4 Pistons Quick View
JE Pistons

JE Pistons RENAULT CLIO RS F4R 12.8:1 Set of 4 Pistons

$899.99
JEP312455
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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