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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 LS7 FT 6077 OEM ROD Set of 8 Pistons JE Pistons LS7 FT 6077 OEM ROD Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS7 FT 6077 OEM ROD Set of 8 Pistons

$1,016.99
JEP311902
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 SUB STI EJ257 100mm Bore CR 9.5 KIT Set of 4 Pistons JE Pistons SUB STI EJ257 100mm Bore CR 9.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB STI EJ257 100mm Bore CR 9.5 KIT Set of 4 Pistons

$899.99
JEP310938
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 8.8:1 BILLET KIT Set of 4 Pistons JE Pistons SUB 8.8:1 BILLET KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUB 8.8:1 BILLET KIT Set of 4 Pistons

$1,799.99
JEP310927
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 TOY 2AR-FE 11:1 KIT Set of 4 Pistons JE Pistons TOY 2AR-FE 11:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons TOY 2AR-FE 11:1 KIT Set of 4 Pistons

$899.99
JEP310889
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 TOY 2AR-FE 9:1 KIT Set of 4 Pistons JE Pistons TOY 2AR-FE 9:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons TOY 2AR-FE 9:1 KIT Set of 4 Pistons

$899.99
JEP310888
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 TOY 2AR-FE 11:1 KIT Set of 4 Pistons JE Pistons TOY 2AR-FE 11:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons TOY 2AR-FE 11:1 KIT Set of 4 Pistons

$899.99
JEP310887
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 TOY 2AR-FE 9:1 KIT Set of 4 Pistons JE Pistons TOY 2AR-FE 9:1 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons TOY 2AR-FE 9:1 KIT Set of 4 Pistons

$899.99
JEP310886
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 360 SPRINT/BROD 11X Set of 8 Pistons JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons Quick View
JE Pistons

JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons

$1,154.99
JEP310565
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 360 SPRINT/BROD 11X Set of 8 Pistons JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons Quick View
JE Pistons

JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons

$1,176.99
JEP310564
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 360 SPRINT/BROD 11X Set of 8 Pistons JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons Quick View
JE Pistons

JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons

$1,176.99
JEP310563
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 360 SPRINT/BROD 11X Set of 8 Pistons JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons Quick View
JE Pistons

JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons

$1,154.99
JEP310562
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 360 SPRINT/BROD 11X Set of 8 Pistons JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons Quick View
JE Pistons

JE Pistons 360 SPRINT/BROD 11X Set of 8 Pistons

$1,176.99
JEP310561
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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