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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 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
JEP242890
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
JEP242886
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 SBC INV DOME Set of 8 Pistons JE Pistons SBC INV DOME Set of 8 Pistons Quick View
JE Pistons

JE Pistons SBC INV DOME Set of 8 Pistons

$1,076.99
JEP242885
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 1.8L 20V Straight Wall Pin .787 x 2.250 .180W(Single Piston) JE Pistons VW 1.8L 20V Straight Wall Pin .787 x 2.250 .180W(Single Piston) Quick View
JE Pistons

JE Pistons VW 1.8L 20V Straight Wall Pin .787 x 2.250 .180W(Single Piston)

$299.99
JEP242882S
Engine Components JE Pistons Piston Pins
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 VW 1.8L 20V 9.25 KIT - (For Single Piston) JE Pistons VW 1.8L 20V 9.25 KIT - (For Single Piston) Quick View
JE Pistons

JE Pistons VW 1.8L 20V 9.25 KIT - (For Single Piston)

$299.99
JEP242880S
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 CHRY 2.0 ECB/ECC KIT Set of 4 Pistons JE Pistons CHRY 2.0 ECB/ECC KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons CHRY 2.0 ECB/ECC KIT Set of 4 Pistons

$899.99
JEP242871
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 CHRY 2.0 ECB/ECC KIT Set of 4 Pistons JE Pistons CHRY 2.0 ECB/ECC KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons CHRY 2.0 ECB/ECC KIT Set of 4 Pistons

$899.99
JEP242870
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 ACUR K24A3/K20A2 KIT Set of 4 Pistons JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons

$899.99
JEP242862
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 ACUR K24A3/K20A2 KIT Set of 4 Pistons JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons

$899.99
JEP242858
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 ACUR K24A3/K20A2 KIT Set of 4 Pistons JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons

$899.99
JEP242196
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 ACUR K24A3/K20A2 KIT Set of 4 Pistons JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons ACUR K24A3/K20A2 KIT Set of 4 Pistons

$899.99
JEP242194
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 CHRY 426 HEMI Set of 8 Pistons JE Pistons CHRY 426 HEMI Set of 8 Pistons Quick View
JE Pistons

JE Pistons CHRY 426 HEMI Set of 8 Pistons

$1,096.99
JEP232517
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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