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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 400 SBC INV DOME Set of 8 Pistons JE Pistons 400 SBC INV DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400 SBC INV DOME Set of 8 Pistons

$1,096.99
JEP232516
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 400SBC INVDOME Set of 8 Pistons JE Pistons 400SBC INVDOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400SBC INVDOME Set of 8 Pistons

$1,096.99
JEP232514
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 350SBC INVDOME 23DEG Set of 8 Pistons JE Pistons 350SBC INVDOME 23DEG Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350SBC INVDOME 23DEG Set of 8 Pistons

$1,176.99
JEP232513
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 350 SBC DOME NITROUS Set of 8 Pistons JE Pistons 350 SBC DOME NITROUS Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350 SBC DOME NITROUS Set of 8 Pistons

$1,154.99
JEP232511
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 350 SBC DOME NITROUS Set of 8 Pistons JE Pistons 350 SBC DOME NITROUS Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350 SBC DOME NITROUS Set of 8 Pistons

$1,154.99
JEP232510
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 350 SBC DOME NITROUS Set of 8 Pistons JE Pistons 350 SBC DOME NITROUS Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350 SBC DOME NITROUS Set of 8 Pistons

$1,176.99
JEP232509
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 400 SBC DOME Set of 8 Pistons JE Pistons 400 SBC DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400 SBC DOME Set of 8 Pistons

$1,176.99
JEP232508
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 302/351 SBF DOME Set of 8 Pistons JE Pistons 302/351 SBF DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 302/351 SBF DOME Set of 8 Pistons

$1,176.99
JEP232477
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 302/351 SBF DOME Set of 8 Pistons JE Pistons 302/351 SBF DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 302/351 SBF DOME Set of 8 Pistons

$1,096.99
JEP232476
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 302/351 SBF DOME Set of 8 Pistons JE Pistons 302/351 SBF DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 302/351 SBF DOME Set of 8 Pistons

$1,154.99
JEP232475
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 351 SBF STROKER FT Set of 8 Pistons JE Pistons 351 SBF STROKER FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 351 SBF STROKER FT Set of 8 Pistons

$1,076.99
JEP232474
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 302 SBF STROKER FT Set of 8 Pistons JE Pistons 302 SBF STROKER FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 302 SBF STROKER FT Set of 8 Pistons

$1,076.99
JEP232473
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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