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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

JE Pro Seal Honda B18A w/Vtec Head 83mm 0.033in Head Gasket (ref C4192-030)

$190.43
JEPHN1007-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda B18A w/Vtec Head 83mm 0.033in Head Gasket (ref C4192-030)
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JE Pistons

JE Pro Seal Honda B Series Vtec 83mm 0.033in Head Gasket (ref C4189-030)

$190.43
JEPHN1002-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda B Series Vtec 83mm 0.033in Head Gasket (ref C4189-030)
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JE Pistons

JE Pistons H13 Wrist Pin .905D/ 2.250L/ .250W

$36.84
JEPH9052250250
Engine Components JE Pistons Piston Pins Under 100
JE Pistons H13 Wrist Pin .905D/ 2.250L/ .250W
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JE Pistons

JE Pro Seal GM LS1/LS2/LS3/LS6 4.1in 0.039in Head Gasket

$151.86
JEPGM1016-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal GM LS1/LS2/LS3/LS6 4.1in 0.039in Head Gasket
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JE Pistons

JE Pro Seal GM LS1/LS6 3.945in 0.039in Head Gasket

$151.86
JEPGM1015-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal GM LS1/LS6 3.945in 0.039in Head Gasket
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JE Pistons

JE Pro Seal GM LS1/LS2/LS3/LS6 4.13in 0.051in Head Gasket (ref C5317-051)

$151.86
JEPGM1006-051
Engine Components Head Gaskets JE Pistons
JE Pro Seal GM LS1/LS2/LS3/LS6 4.13in 0.051in Head Gasket (ref C5317-051)
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JE Pistons

JE Pro Seal GM LS1/LS2/LS3/LS6 4.16in 0.051in Head Gasket (ref C5318-051)

$151.86
JEPGM1005-051
Engine Components Head Gaskets JE Pistons
JE Pro Seal GM LS1/LS2/LS3/LS6 4.16in 0.051in Head Gasket (ref C5318-051)
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JE Pistons

JE Pro Seal Chevrolet Small Block 400 4.125in 0.039in Head Gasket (ref C5247-040)

$151.86
JEPGM1002-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal Chevrolet Small Block 400 4.125in 0.039in Head Gasket (ref C5247-040)
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JE Pistons

JE Pro Seal Fiat Punto Turbo 1.6L 88mm Head Gasket

$190.43
JEPFT1006-067
Engine Components Head Gaskets JE Pistons
JE Pro Seal Fiat Punto Turbo 1.6L 88mm Head Gasket
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JE Pistons

JE Pro Seal Fiat Punto Turbo 1.6L Turbo 88mm Head Gasket

$190.43
JEPFT1006-051
Engine Components Head Gaskets JE Pistons
JE Pro Seal Fiat Punto Turbo 1.6L Turbo 88mm Head Gasket
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JE Pistons

JE Pro Seal Fiat Punto Turbo 1.4L 82.5mm Head Gasket

$281.66
JEPFT1002-051
Engine Components Head Gaskets JE Pistons
JE Pro Seal Fiat Punto Turbo 1.4L 82.5mm Head Gasket
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JE Pistons

JE Pro Seal Ford Ecoboost 2.0L MLS Turbo 3.504in .049in Thick Head Gasket

$190.43
JEPFD1023-049
Engine Components Head Gaskets JE Pistons
JE Pro Seal Ford Ecoboost 2.0L MLS Turbo 3.504in .049in Thick Head Gasket
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