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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 427 BBF DOME Set of 8 Pistons JE Pistons 427 BBF DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 427 BBF DOME Set of 8 Pistons

$1,176.99
JEP168741
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 HONDA H22A1 DOME KIT Set of 4 Pistons JE Pistons HONDA H22A1 DOME KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons HONDA H22A1 DOME KIT Set of 4 Pistons

$899.99
JEP166036
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 427 BBF INV-DOME Set of 8 Pistons JE Pistons 427 BBF INV-DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 427 BBF INV-DOME Set of 8 Pistons

$1,176.99
JEP162117
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 427 BBF INV-DOME Set of 8 Pistons JE Pistons 427 BBF INV-DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons 427 BBF INV-DOME Set of 8 Pistons

$1,176.99
JEP162116
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 DISH -16cc- set of 8 pistons JE Pistons 350 SBC DISH -16cc- set of 8 pistons Quick View
JE Pistons

JE Pistons 350 SBC DISH -16cc- set of 8 pistons

$734.99
JEP139628
Engine Components JE Pistons Piston Sets - Forged - 8cyl
Born from the rich racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line proudly bridges the gap between high-quality forged piston...
JE Pistons 454 BBC Flat Top -3c Set of 8 Pistons JE Pistons 454 BBC Flat Top -3c Set of 8 Pistons Quick View
JE Pistons

JE Pistons 454 BBC Flat Top -3c Set of 8 Pistons

$734.99
JEP139482
Engine Components JE Pistons Piston Sets - Forged - 8cyl
Born from the rich racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line proudly bridges the gap between high-quality forged piston...
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
JEP131850
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 12.5/1 Set of 8 Pistons JE Pistons 426 HEMI DM 12.5/1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 426 HEMI DM 12.5/1 Set of 8 Pistons

$1,096.99
JEP131834
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 4.390 460 FORD FT Set of 8 Pistons JE Pistons 4.390 460 FORD FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.390 460 FORD FT Set of 8 Pistons

$1,096.99
JEP131685
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 FORD 302 8.5/1 Set of 8 Pistons JE Pistons 4.030 FORD 302 8.5/1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.030 FORD 302 8.5/1 Set of 8 Pistons

$1,176.99
JEP131656
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

$1,096.99
JEP131636
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 SBC 8.5-INVDM Set of 8 Pistons JE Pistons 4.020 SBC 8.5-INVDM Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.020 SBC 8.5-INVDM Set of 8 Pistons

$1,096.99
JEP131635
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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