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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 4.165 400 SBC FT Set of 8 Pistons JE Pistons 4.165 400 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.165 400 SBC FT Set of 8 Pistons

$989.99
JEP181943
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 4.155 400 SBC FT Set of 8 Pistons JE Pistons 4.155 400 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.155 400 SBC FT Set of 8 Pistons

$989.99
JEP181942
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 FLAT TOP Set of 8 Pistons JE Pistons 400 SBC FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400 SBC FLAT TOP Set of 8 Pistons

$1,043.99
JEP181941
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 FLAT TOP Set of 8 Pistons JE Pistons 400 SBC FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400 SBC FLAT TOP Set of 8 Pistons

$1,023.99
JEP181940
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 FLAT TOP Set of 8 Pistons JE Pistons 400 SBC FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400 SBC FLAT TOP Set of 8 Pistons

$1,043.99
JEP181939
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 FLAT TOP - Single Piston - Right JE Pistons 400 SBC FLAT TOP - Single Piston - Right Quick View
JE Pistons

JE Pistons 400 SBC FLAT TOP - Single Piston - Right

$209.99
JEP181938R
Engine Components JE Pistons Pistons - Forged - Single
Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to...
JE Pistons 400 SBC FLAT TOP Set of 8 Pistons JE Pistons 400 SBC FLAT TOP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400 SBC FLAT TOP Set of 8 Pistons

$1,043.99
JEP181938
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 FT GP 23 DEG Set of 8 Pistons JE Pistons 400 SBC FT GP 23 DEG Set of 8 Pistons Quick View
JE Pistons

JE Pistons 400 SBC FT GP 23 DEG Set of 8 Pistons

$1,176.99
JEP181933
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 4.060 350 SBC FT Set of 8 Pistons JE Pistons 4.060 350 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.060 350 SBC FT Set of 8 Pistons

$1,043.99
JEP181927
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 4.040 350 SBC FT Set of 8 Pistons JE Pistons 4.040 350 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.040 350 SBC FT Set of 8 Pistons

$1,043.99
JEP181926
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 4.035 350 SBC FT Set of 8 Pistons JE Pistons 4.035 350 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.035 350 SBC FT Set of 8 Pistons

$1,043.99
JEP181925
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 FT Set of 8 Pistons JE Pistons 4.030 350 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.030 350 SBC FT Set of 8 Pistons

$1,043.99
JEP181924
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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