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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 BBC 12/14DEG Set of 8 Pistons JE Pistons BBC 12/14DEG Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC 12/14DEG Set of 8 Pistons

$1,259.99
JEP293518
Engine Components JE Pistons Piston Sets - Forged - 8cyl
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 BBC 632 NOS Set of 8 Pistons JE Pistons BBC 632 NOS Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC 632 NOS Set of 8 Pistons

$1,283.99
JEP293085
Engine Components JE Pistons Piston Sets - Forged - 8cyl
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 BBC 632 NOS Set of 8 Pistons JE Pistons BBC 632 NOS Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC 632 NOS Set of 8 Pistons

$1,259.99
JEP293083
Engine Components JE Pistons Piston Sets - Forged - 8cyl
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 SBF 302/351 DISH Set of 8 Pistons JE Pistons SBF 302/351 DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBF 302/351 DISH Set of 8 Pistons

$1,154.99
JEP293082
Engine Components JE Pistons Piston Sets - Forged - 8cyl
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 FSI 10.5 KIT Set of 4 Pistons JE Pistons VW 2.0T FSI 10.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T FSI 10.5 KIT Set of 4 Pistons

$899.99
JEP291885
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 FSI 10.5 KIT Set of 4 Pistons JE Pistons VW 2.0T FSI 10.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T FSI 10.5 KIT Set of 4 Pistons

$899.99
JEP291884
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 NISQR25 10.5 89.5KIT Set of 4 Pistons JE Pistons NISQR25 10.5 89.5KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons NISQR25 10.5 89.5KIT Set of 4 Pistons

$899.99
JEP291882
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 NIS QR25 9:1 89.5KIT Set of 4 Pistons JE Pistons NIS QR25 9:1 89.5KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons NIS QR25 9:1 89.5KIT Set of 4 Pistons

$899.99
JEP291880
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 NIS QR25 9:1 89M KIT Set of 4 Pistons JE Pistons NIS QR25 9:1 89M KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons NIS QR25 9:1 89M KIT Set of 4 Pistons

$899.99
JEP291879
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 EJ257 83mm STR 100mm Bore CR 8.5 KIT Set of 4 Pistons JE Pistons SUB EJ257 83mm STR 100mm Bore CR 8.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB EJ257 83mm STR 100mm Bore CR 8.5 KIT Set of 4 Pistons

$899.99
JEP291064
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 EJ257 83mm STR 99.5mm Bore CR 8.5 KIT Set of 4 Pistons JE Pistons SUB EJ257 83mm STR 99.5mm Bore CR 8.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB EJ257 83mm STR 99.5mm Bore CR 8.5 KIT Set of 4 Pistons

$899.99
JEP291063
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 STI EJ257 Block w/ EJ20 Head 99.5mm Bore CR 8.5 (Right Side) Single Piston JE Pistons SUB STI EJ257 Block w/ EJ20 Head 99.5mm Bore CR 8.5 (Right Side) Single Piston Quick View
JE Pistons

JE Pistons SUB STI EJ257 Block w/ EJ20 Head 99.5mm Bore CR 8.5 (Right Side) Single Piston

$299.99
JEP291059R
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...
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