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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 4.020 SBC FT Set of 8 Pistons JE Pistons 4.020 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.020 SBC FT Set of 8 Pistons

$1,043.99
JEP181910
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 SBC FT Set of 8 Pistons JE Pistons 4.040 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.040 SBC FT Set of 8 Pistons

$1,043.99
JEP181909
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 Chevy Small Block 4.040in Bore -5.0cc (Right Side) Single Piston JE Pistons Chevy Small Block 4.040in Bore -5.0cc (Right Side) Single Piston Quick View
JE Pistons

JE Pistons Chevy Small Block 4.040in Bore -5.0cc (Right Side) Single Piston

$213.99
JEP181908R
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 Chevy Small Block 4.040in Bore -5.0cc (Left Side) Single Piston JE Pistons Chevy Small Block 4.040in Bore -5.0cc (Left Side) Single Piston Quick View
JE Pistons

JE Pistons Chevy Small Block 4.040in Bore -5.0cc (Left Side) Single Piston

$213.99
JEP181908L
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 4.040 SBC FT Set of 8 Pistons JE Pistons 4.040 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.040 SBC FT Set of 8 Pistons

$1,096.99
JEP181908
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 FT Set of 8 Pistons JE Pistons 4.030 SBC FT Set of 8 Pistons Quick View
JE Pistons

JE Pistons 4.030 SBC FT Set of 8 Pistons

$1,076.99
JEP181907
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 DOME .610 Set of 8 Pistons JE Pistons 426 HEMI DOME .610 Set of 8 Pistons Quick View
JE Pistons

JE Pistons 426 HEMI DOME .610 Set of 8 Pistons

$1,096.99
JEP178003
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 ULTRA FT GP Set of 8 Pistons JE Pistons 350 SBC ULTRA FT GP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350 SBC ULTRA FT GP Set of 8 Pistons

$1,176.99
JEP177849
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 ULTRA FT GP Set of 8 Pistons JE Pistons 350 SBC ULTRA FT GP Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350 SBC ULTRA FT GP Set of 8 Pistons

$1,176.99
JEP177848
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 305 SBC 4V FT APBA Set of 8 Pistons JE Pistons 305 SBC 4V FT APBA Set of 8 Pistons Quick View
JE Pistons

JE Pistons 305 SBC 4V FT APBA Set of 8 Pistons

$1,043.99
JEP174004
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 305 SBC DISH APBA Set of 8 Pistons JE Pistons 305 SBC DISH APBA Set of 8 Pistons Quick View
JE Pistons

JE Pistons 305 SBC DISH APBA Set of 8 Pistons

$1,043.99
JEP174002
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-FORD N SPRFY Set of 8 Pistons JE Pistons 350 SBC-FORD N SPRFY Set of 8 Pistons Quick View
JE Pistons

JE Pistons 350 SBC-FORD N SPRFY Set of 8 Pistons

$1,176.99
JEP173677
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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