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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 LS1 SBC 15DEG FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS1 SBC 15DEG FT Set of 8 Pistons

$989.99
JEP243018
Engine Components JE Pistons Piston Sets - Forged - 8cyl
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to...
JE Pistons LS1 SBC 15DEG FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS1 SBC 15DEG FT Set of 8 Pistons

$989.99
JEP243017
Engine Components JE Pistons Piston Sets - Forged - 8cyl
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to...
JE Pistons LS1 SBC 15DEG FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS1 SBC 15DEG FT Set of 8 Pistons

$989.99
JEP243016
Engine Components JE Pistons Piston Sets - Forged - 8cyl
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to...
JE Pistons 427 BBF FLAT TOP Set of 8 Pistons JE Pistons 427 BBF FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 427 BBF FLAT TOP Set of 8 Pistons

$989.99
JEP242935
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 FLAT TOP Set of 8 Pistons JE Pistons 427 BBF FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 427 BBF FLAT TOP Set of 8 Pistons

$989.99
JEP242934
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 FLAT TOP Set of 8 Pistons JE Pistons 427 BBF FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 427 BBF FLAT TOP Set of 8 Pistons

$989.99
JEP242933
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
JEP242932
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
JEP242931
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

$1,154.99
JEP242930
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 VW 1.8T 20V 8.5 KIT Set of 4 Pistons JE Pistons VW 1.8T 20V 8.5 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 1.8T 20V 8.5 KIT Set of 4 Pistons

$899.99
JEP242928
Audi A4 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 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

$1,076.99
JEP242892
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

$1,096.99
JEP242891
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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