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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 Ford Focus 2.5ST/RS/RS500 5 Cyl 3.268in .047in Thick Head Gasket

$269.57
JEPFD1022-047
Engine Components Head Gaskets JE Pistons
JE Pro Seal Ford Focus 2.5ST/RS/RS500 5 Cyl 3.268in .047in Thick Head Gasket
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JE Pistons

JE Pro Seal 14-17 Ford Ecoboost 1.6L MLS Turbo 3.149in .039in Thick Head Gasket

$190.43
JEPFD1021-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal 14-17 Ford Ecoboost 1.6L MLS Turbo 3.149in .039in Thick Head Gasket
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JE Pistons

JE Pro Seal Ford Coyote 5/0 Right 3.755in 0.039in Head Gasket (ref C5287-040)

$151.86
JEPFD1015-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal Ford Coyote 5/0 Right 3.755in 0.039in Head Gasket (ref C5287-040)
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JE Pistons

JE Pro Seal Ford Coyote 5.0 - Left 3.755in 0.039in Head Gasket (ref C5286-040)

$151.86
JEPFD1014-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal Ford Coyote 5.0 - Left 3.755in 0.039in Head Gasket (ref C5286-040)
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JE Pistons

JE Pro Seal Ford Modular 4.6/5.4 2V/4V - Right 3.63in 0.039in Head Gasket

$151.86
JEPFD1011-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal Ford Modular 4.6/5.4 2V/4V - Right 3.63in 0.039in Head Gasket
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JE Pistons

JE Pro Seal Ford Modular 4.6/5.4 2V/4V - Left 3.63in 0.039in Head Gasket

$151.86
JEPFD1010-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal Ford Modular 4.6/5.4 2V/4V - Left 3.63in 0.039in Head Gasket
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JE Pistons

JE Pro Seal Ford 289/302/351W non SVO 4.1in 0.039in Head Gasket (ref C5514-040)

$151.86
JEPFD1001-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal Ford 289/302/351W non SVO 4.1in 0.039in Head Gasket (ref C5514-040)
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JE Pistons

JE Pro Seal Chrysler 289/302/351W non SVO 4.03in 0.039in Head Gasket (ref C5511-040)

$151.86
JEPFD1000-039
Engine Components Head Gaskets JE Pistons
JE Pro Seal Chrysler 289/302/351W non SVO 4.03in 0.039in Head Gasket (ref C5511-040)
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JE Pistons

JE Pro Seal BMW E36 M3 S50B32 Euro & S52B32 Euro Head Gasket

$351.82
JEPBM1011-071
Engine Components Head Gaskets JE Pistons
JE Pro Seal BMW E36 M3 S50B32 Euro & S52B32 Euro Head Gasket
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JE Pistons

JE Pro Seal BMW S14 Series B23 95mm 0.079in Head Gasket

$476.05
JEPBM1008-079
Engine Components Head Gaskets JE Pistons
JE Pro Seal BMW S14 Series B23 95mm 0.079in Head Gasket
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JE Pistons

JE Piston Pro Seal BMW M20 Series B25/B27 3.336in Bore .079in Thickness Head Gasket

$518.92
JEPBM1007-079
Engine Components Head Gaskets JE Pistons
JE Piston Pro Seal BMW M20 Series B25/B27 3.336in Bore .079in Thickness Head Gasket
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JE Pistons

JE Pro Seal BMW M50 Series E36/E34 Head Gasket

$518.92
JEPBM1006-079
Engine Components Head Gaskets JE Pistons
JE Pro Seal BMW M50 Series E36/E34 Head Gasket
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