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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 BBF M-6049-SCJ -39cc Set of 8 Pistons JE Pistons BBF M-6049-SCJ -39cc Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBF M-6049-SCJ -39cc Set of 8 Pistons

$1,016.99
JEP257668
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 BBF M-6049-SCJ FT Set of 8 Pistons JE Pistons BBF M-6049-SCJ FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBF M-6049-SCJ FT Set of 8 Pistons

$1,016.99
JEP257667
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 BBF M-6049-SCJ FT Set of 8 Pistons JE Pistons BBF M-6049-SCJ FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBF M-6049-SCJ FT Set of 8 Pistons

$997.99
JEP257666
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 BBF M-6049-SCJ FT Set of 8 Pistons JE Pistons BBF M-6049-SCJ FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons BBF M-6049-SCJ FT Set of 8 Pistons

$1,016.99
JEP257665
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 4.6L 4V DISH Set of 8 Pistons JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons

$989.99
JEP257545
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 4.6L 4V DISH Set of 8 Pistons JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons

$989.99
JEP257544
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 4.6L 4V DISH Set of 8 Pistons JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons

$989.99
JEP257543
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 4.6L 4V DISH Set of 8 Pistons JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBF 4.6L 4V DISH Set of 8 Pistons

$989.99
JEP257542
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 4.6L 4V FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBF 4.6L 4V FT Set of 8 Pistons

$989.99
JEP257541
Engine Components JE Pistons Piston Sets - Forged - 8cyl
JE Pistons SBF 4.6L 4V FT Set of 8 PistonsThis Part Fits: Year Make Model Submodel 1999,2001 Ford Mustang SVT Cobra
JE Pistons SBF 4.6L 4V FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBF 4.6L 4V FT Set of 8 Pistons

$989.99
JEP257540
Engine Components JE Pistons Piston Sets - Forged - 8cyl
JE Pistons SBF 4.6L 4V FT Set of 8 PistonsThis Part Fits: Year Make Model Submodel 1999,2001 Ford Mustang SVT Cobra
JE Pistons SUB STI EJ257 KIT Set of 4 Pistons JE Pistons SUB STI EJ257 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB STI EJ257 KIT Set of 4 Pistons

$899.99
JEP256058
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 MAZDA 1.8L BP KIT Set of 4 Pistons JE Pistons MAZDA 1.8L BP KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons MAZDA 1.8L BP KIT Set of 4 Pistons

$899.99
JEP255775
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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