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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 LS ASYM FT 4.000STRK Set of 8 Pistons JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons

$997.99
JEP311979
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 LS ASYM FT 4.000STRK Set of 8 Pistons JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons

$997.99
JEP311978
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 LS ASYM FT 4.000STRK Set of 8 Pistons JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons

$1,016.99
JEP311977
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 LS ASYM FT 4.000STRK Set of 8 Pistons JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT 4.000STRK Set of 8 Pistons

$1,016.99
JEP311976
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 LS ASYM FT Set of 8 Pistons JE Pistons LS ASYM FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons

$1,016.99
JEP311972
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 LS ASYM FT Set of 8 Pistons JE Pistons LS ASYM FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons

$1,016.99
JEP311971
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 LS ASYM FT Set of 8 Pistons JE Pistons LS ASYM FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons

$1,016.99
JEP311970
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 LS ASYM FT Set of 8 Pistons JE Pistons LS ASYM FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons

$1,016.99
JEP311969
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 LS ASYM FT Set of 8 Pistons - 4.080 Bore -5 Dome Volume JE Pistons LS ASYM FT Set of 8 Pistons - 4.080 Bore -5 Dome Volume Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons - 4.080 Bore -5 Dome Volume

$997.99
JEP311968
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 LS ASYM FT Set of 8 Pistons - 4.075 Bore -5cc Dome Volume 0.927 Pin Diameter JE Pistons LS ASYM FT Set of 8 Pistons - 4.075 Bore -5cc Dome Volume 0.927 Pin Diameter Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons - 4.075 Bore -5cc Dome Volume 0.927 Pin Diameter

$1,016.99
JEP311967
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 LS ASYM FT Set of 8 Pistons JE Pistons LS ASYM FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons

$1,016.99
JEP311966
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 LS ASYM FT Set of 8 Pistons JE Pistons LS ASYM FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons LS ASYM FT Set of 8 Pistons

$1,016.99
JEP311965
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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