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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 302 SBF FT Set of 8 Pistons JE Pistons 302 SBF FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 302 SBF FT Set of 8 Pistons

$1,076.99
JEP232458
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 440 MOPAR DISH Set of 8 Pistons JE Pistons 440 MOPAR DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons 440 MOPAR DISH Set of 8 Pistons

$1,154.99
JEP232456
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 440 MOPAR DISH Set of 8 Pistons JE Pistons 440 MOPAR DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons 440 MOPAR DISH Set of 8 Pistons

$1,176.99
JEP232453
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 440 MOPAR DISH Set of 8 Pistons JE Pistons 440 MOPAR DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons 440 MOPAR DISH Set of 8 Pistons

$1,176.99
JEP232452
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 460 BBF A460 FT Set of 8 Pistons JE Pistons 460 BBF A460 FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 460 BBF A460 FT Set of 8 Pistons

$989.99
JEP232445
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 NIS VQ35DE 10.5 KIT Set of 6 Pistons JE Pistons NIS VQ35DE 10.5 KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons NIS VQ35DE 10.5 KIT Set of 6 Pistons

$1,324.99
JEP231580
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 NIS VQ35DE TRBO KIT Set of 6 Pistons JE Pistons NIS VQ35DE TRBO KIT Set of 6 Pistons Quick View
JE Pistons

JE Pistons NIS VQ35DE TRBO KIT Set of 6 Pistons

$1,324.99
JEP231532
Engine Components JE Pistons Piston Sets - Forged - 6cyl
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 5.4L FORD 8.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 5.4L FORD 8.5:1 Set of 8 Pistons

$989.99
JEP227127
Engine Components JE Pistons Piston Sets - Forged - 8cyl
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to...
JE Pistons 5.4L FORD 8.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 5.4L FORD 8.5:1 Set of 8 Pistons

$989.99
JEP227125
Engine Components JE Pistons Piston Sets - Forged - 8cyl
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to...
JE Pistons ACURA 2.0LTR KIT Set of 4 Pistons JE Pistons ACURA 2.0LTR KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons ACURA 2.0LTR KIT Set of 4 Pistons

$899.99
JEP226379
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 WRX EJ20 92.5mm Bore CR 8.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB WRX EJ20 92.5mm Bore CR 8.5 KIT Set of 4 Pistons

$899.99
JEP226378
Engine Components JE Pistons Piston Sets - Forged - 4cyl
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to...
JE Pistons 400SBC 18DEG DOME Set of 8 Pistons JE Pistons 400SBC 18DEG DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400SBC 18DEG DOME Set of 8 Pistons

$1,176.99
JEP218595
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...
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