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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 NISAN KA24DE 9:1 KIT Set of 4 Pistons JE Pistons NISAN KA24DE 9:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons NISAN KA24DE 9:1 KIT Set of 4 Pistons

$899.99
JEP244514
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,283.99
JEP243333
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,259.99
JEP243332
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,259.99
JEP243331
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,259.99
JEP243330
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,259.99
JEP243329
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,259.99
JEP243328
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,259.99
JEP243327
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 502BBC OPEN CHAM DOM Set of 8 Pistons JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 502BBC OPEN CHAM DOM Set of 8 Pistons

$1,283.99
JEP243326
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 BIG CHIEF W/NOS Set of 8 Pistons JE Pistons BBC BIG CHIEF W/NOS Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC BIG CHIEF W/NOS Set of 8 Pistons

$1,283.99
JEP243325
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 BIG CHIEF W/NOS Set of 8 Pistons JE Pistons BBC BIG CHIEF W/NOS Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC BIG CHIEF W/NOS Set of 8 Pistons

$1,283.99
JEP243324
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 BIG CHIEF W/NOS Set of 8 Pistons JE Pistons BBC BIG CHIEF W/NOS Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBC BIG CHIEF W/NOS Set of 8 Pistons

$1,283.99
JEP243323
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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