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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 4.155 SBC 8.5-INVDM Set of 8 Pistons JE Pistons 4.155 SBC 8.5-INVDM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.155 SBC 8.5-INVDM Set of 8 Pistons

$1,096.99
JEP131633
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 4.030 SBC 8.5-INVDM Set of 8 Pistons JE Pistons 4.030 SBC 8.5-INVDM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.030 SBC 8.5-INVDM Set of 8 Pistons

$1,076.99
JEP131631
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 3.830 BUICK V6 8.75 Set of 6 Pistons JE Pistons 3.830 BUICK V6 8.75 Set of 6 Pistons Quick View
JE Pistons

JE Pistons 3.830 BUICK V6 8.75 Set of 6 Pistons

$761.99
JEP131557
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 3.820 BUICK V6 8.75 Set of 6 Pistons JE Pistons 3.820 BUICK V6 8.75 Set of 6 Pistons Quick View
JE Pistons

JE Pistons 3.820 BUICK V6 8.75 Set of 6 Pistons

$761.99
JEP131556
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 4.030 350 SBC INVDM Set of 8 Pistons JE Pistons 4.030 350 SBC INVDM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.030 350 SBC INVDM Set of 8 Pistons

$1,096.99
JEP130974
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 4.030 350 SBC 9.5 Set of 8 Pistons JE Pistons 4.030 350 SBC 9.5 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.030 350 SBC 9.5 Set of 8 Pistons

$1,096.99
JEP130969
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 4.020 350 SBC 9.5 Set of 8 Pistons JE Pistons 4.020 350 SBC 9.5 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.020 350 SBC 9.5 Set of 8 Pistons

$1,096.99
JEP130968
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 426 HEMI DM 10.25/1 Set of 8 Pistons JE Pistons 426 HEMI DM 10.25/1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 426 HEMI DM 10.25/1 Set of 8 Pistons

$1,076.99
JEP118759
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 426 HEMI DM 10.25/1 Set of 8 Pistons JE Pistons 426 HEMI DM 10.25/1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 426 HEMI DM 10.25/1 Set of 8 Pistons

$1,076.99
JEP118758
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 2300 FORD PINTO KIT Set of 4 Pistons JE Pistons 2300 FORD PINTO KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons 2300 FORD PINTO KIT Set of 4 Pistons

$641.99
JEP118560
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 2300FORD PINTO KIT Set of 4 Pistons JE Pistons 2300FORD PINTO KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons 2300FORD PINTO KIT Set of 4 Pistons

$641.99
JEP118558
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 350 SBC FLAT TOP Set of 8 Pistons JE Pistons 350 SBC FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350 SBC FLAT TOP Set of 8 Pistons

$1,043.99
JEP116857
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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