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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 MITSU EVO V11-IX KIT Set of 4 Pistons JE Pistons MITSU EVO V11-IX KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons MITSU EVO V11-IX KIT Set of 4 Pistons

$849.99
JEP297007
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 BBC BLOWN ALKY DOME Set of 8 Pistons JE Pistons BBC BLOWN ALKY DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC BLOWN ALKY DOME Set of 8 Pistons

$1,259.99
JEP296989
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 BLWN ALKY DOME Set of 8 Pistons JE Pistons BBC BLWN ALKY DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC BLWN ALKY DOME Set of 8 Pistons

$1,259.99
JEP296988
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 ACURA K209:1 86.5KIT Set of 4 Pistons JE Pistons ACURA K209:1 86.5KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons ACURA K209:1 86.5KIT Set of 4 Pistons

$899.99
JEP296964
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 ACURA K20 9:1 86MKIT Set of 4 Pistons JE Pistons ACURA K20 9:1 86MKIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons ACURA K20 9:1 86MKIT Set of 4 Pistons

$899.99
JEP296963
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 CHRY 2.0420A 88.5KIT Set of 4 Pistons JE Pistons CHRY 2.0420A 88.5KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons CHRY 2.0420A 88.5KIT Set of 4 Pistons

$899.99
JEP296936
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 CHRY 2.0 420A 88MKIT Set of 4 Pistons JE Pistons CHRY 2.0 420A 88MKIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons CHRY 2.0 420A 88MKIT Set of 4 Pistons

$899.99
JEP296935
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 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

$1,324.99
JEP296933
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 Toyota 2JZGTE 8.5:1 - Single Piston JE Pistons Toyota 2JZGTE 8.5:1 - Single Piston Quick View
JE Pistons

JE Pistons Toyota 2JZGTE 8.5:1 - Single Piston

$299.99
JEP296932S
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 HONDA F22C 9.0:1 KIT Set of 4 Pistons JE Pistons HONDA F22C 9.0:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons HONDA F22C 9.0:1 KIT Set of 4 Pistons

$899.99
JEP296911
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 HONDA F22C 9.0:1 KIT Set of 4 Pistons JE Pistons HONDA F22C 9.0:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons HONDA F22C 9.0:1 KIT Set of 4 Pistons

$899.99
JEP296910
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 HONDA F20C 9:1 KIT Set of 4 Pistons JE Pistons HONDA F20C 9:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons HONDA F20C 9:1 KIT Set of 4 Pistons

$899.99
JEP296909
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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