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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 VR6 24V 8.5 KIT Set of 6 Pistons JE Pistons VW VR6 24V 8.5 KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons VW VR6 24V 8.5 KIT Set of 6 Pistons

$1,324.99
JEP279953
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 R32 24V 84.5M KIT Set of 6 Pistons JE Pistons VW R32 24V 84.5M KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons VW R32 24V 84.5M KIT Set of 6 Pistons

$1,324.99
JEP279950
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 R32 24V 84.5M KIT Set of 6 Pistons JE Pistons VW R32 24V 84.5M KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons VW R32 24V 84.5M KIT Set of 6 Pistons

$1,324.99
JEP279947
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 FSI 85.5mm Bore -13.3cc Dome 83.5 Kit - (Single Piston) JE Pistons VW 2.0T FSI 85.5mm Bore -13.3cc Dome 83.5 Kit - (Single Piston) Quick View
JE Pistons

JE Pistons VW 2.0T FSI 85.5mm Bore -13.3cc Dome 83.5 Kit - (Single Piston)

$299.99
JEP279932S
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 FSI 83.5 KIT Set of 4 Pistons JE Pistons VW 2.0T FSI 83.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T FSI 83.5 KIT Set of 4 Pistons

$899.99
JEP279932
Audi A4 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 83MM Bore - Piston Single JE Pistons VW 2.0T FSI 83MM Bore - Piston Single Quick View
JE Pistons

JE Pistons VW 2.0T FSI 83MM Bore - Piston Single

$299.99
JEP279931S
Engine Components JE Pistons Piston Sets - Forged - 4cyl 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 SBC LS7 -22CC Set of 8 Pistons JE Pistons SBC LS7 -22CC Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBC LS7 -22CC Set of 8 Pistons

$989.99
JEP279780
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 PORSCHE 3.3L DM KIT - Single JE Pistons PORSCHE 3.3L DM KIT - Single Quick View
JE Pistons

JE Pistons PORSCHE 3.3L DM KIT - Single

$324.99
JEP274649S
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 PORSCHE 3.3L DM KIT Set of 6 Pistons JE Pistons PORSCHE 3.3L DM KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons PORSCHE 3.3L DM KIT Set of 6 Pistons

$1,499.99
JEP274649
Engine Components JE Pistons Piston Sets - Forged - 6cyl Porsche 911 Porsche 911
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 PORSCHE 3.3L DM KIT Set of 6 Pistons JE Pistons PORSCHE 3.3L DM KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons PORSCHE 3.3L DM KIT Set of 6 Pistons

$1,499.99
JEP274648
Engine Components JE Pistons Piston Sets - Forged - 6cyl Porsche 911 Porsche 911
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 PORSCHE 3.2L DM KIT Set of 6 Pistons JE Pistons PORSCHE 3.2L DM KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons PORSCHE 3.2L DM KIT Set of 6 Pistons

$1,499.99
JEP274647
Engine Components JE Pistons Piston Sets - Forged - 6cyl Porsche 911 Porsche 911
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 PORSCHE 3.2L DM KIT Set of 6 Pistons JE Pistons PORSCHE 3.2L DM KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons PORSCHE 3.2L DM KIT Set of 6 Pistons

$1,499.99
JEP274646
Engine Components JE Pistons Piston Sets - Forged - 6cyl Porsche 911 Porsche 911
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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