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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 Ring Sets 1/16-1/16-3/16 RING Quick View
JE Pistons

JE Pistons Ring Sets 1/16-1/16-3/16 RING

$284.99
JEPJ100F8-4360-5
Engine Components JE Pistons Piston Rings
JE Pistons Ring Sets 1/16-1/16-3/16 RING
Quick View
JE Pistons

JE Pro Seal Honda K20/K24 88.5mm 0.033in Headgasket

$190.43
JEPHN1024-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda K20/K24 88.5mm 0.033in Headgasket
Quick View
JE Pistons

JE Pro Seal Honda F20C/F22C 89mm 0.033in Headgasket (ref C4335-030)

$190.43
JEPHN1023-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda F20C/F22C 89mm 0.033in Headgasket (ref C4335-030)
Quick View
JE Pistons

JE Pro Seal Honda D15Z1/D16Y5-Y8 78mm 0.033in Head Gasket (ref C4167-030)

$190.43
JEPHN1022-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda D15Z1/D16Y5-Y8 78mm 0.033in Head Gasket (ref C4167-030)
Quick View
JE Pistons

JE Pro Seal Honda D15Z1/D16Y5-Y8 77mm 0.033in Head Gasket (ref C4196-030)

$190.43
JEPHN1021-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda D15Z1/D16Y5-Y8 77mm 0.033in Head Gasket (ref C4196-030)
Quick View
JE Pistons

JE Pro Seal Honda D15Z1/D16Y5-Y8 76mm 0.033in Head Gasket (ref C4195-030)

$190.43
JEPHN1020-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda D15Z1/D16Y5-Y8 76mm 0.033in Head Gasket (ref C4195-030)
Quick View
JE Pistons

JE Pro Seal Honda D13B/D15B/D16A6-A7/D16Z1-Z2 78mm 0.033in Head Gasket (ref C4120-030)

$190.43
JEPHN1018-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda D13B/D15B/D16A6-A7/D16Z1-Z2 78mm 0.033in Head Gasket (ref C4120-030)
Quick View
JE Pistons

JE Pro Seal Honda B20B4/B20Z2 85mm 0.033in Head Gasket (ref C4250-030)

$190.43
JEPHN1015-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda B20B4/B20Z2 85mm 0.033in Head Gasket (ref C4250-030)
Quick View
JE Pistons

JE Pro Seal Honda B18A non Vtec 85mm 0.033in Head Gasket (ref C4175-030)

$190.43
JEPHN1014-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda B18A non Vtec 85mm 0.033in Head Gasket (ref C4175-030)
Quick View
JE Pistons

JE Pro Seal Honda B18A non Vtec 84mm 0.033in Head Gasket (ref C4180-030)

$190.43
JEPHN1013-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda B18A non Vtec 84mm 0.033in Head Gasket (ref C4180-030)
Quick View
JE Pistons

JE Pro Seal Honda B18A non Vtec 83mm 0.033in Head Gasket (ref C4181-030)

$190.43
JEPHN1012-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda B18A non Vtec 83mm 0.033in Head Gasket (ref C4181-030)
Quick View
JE Pistons

JE Pro Seal Honda B18A non Vtec 81mm 0.033in Head Gasket (ref C4238-030)

$190.43
JEPHN1010-033
Engine Components Head Gaskets JE Pistons
JE Pro Seal Honda B18A non Vtec 81mm 0.033in Head Gasket (ref C4238-030)
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