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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 Straight Wall Pin Chamfered Quick View
JE Pistons

JE Pistons Straight Wall Pin Chamfered

$36.99
JEP787-2250-21-93C
Engine Components JE Pistons Piston Pins Under 100
JE Pistons is a distributor of Trend Performance Wrist Pins. Trend Wrist Pins are made in the USA from premium H-13 steel, making them...
JE Pistons .787 x 2.250 x .180 Straight Wall Pin Quick View
JE Pistons

JE Pistons .787 x 2.250 x .180 Straight Wall Pin

$17.99
JEP787-2250-18-51C
Engine Components JE Pistons Piston Pins Under 100
JE Pistons is a distributor of Trend Performance Wrist Pins. Trend Wrist Pins are made in the USA from premium H-13 steel, making them...
JE Pistons Wire Lock .787 x 0.50 Retaining Clip Quick View
JE Pistons

JE Pistons Wire Lock .787 x 0.50 Retaining Clip

$3.99
JEP787-050-MW
Engine Components JE Pistons Piston Pin Locks Under 100
Most JE shelf pistons include double spiro locks as standard equipment. These locks are installed by spreading the lock between 1/8" and 1/4" and...
JE Pistons BMW N54B30 Ultra Series Set of 6 Pistons JE Pistons BMW N54B30 Ultra Series Set of 6 Pistons Quick View
JE Pistons

JE Pistons BMW N54B30 Ultra Series Set of 6 Pistons

$1,674.99
JEP367877
Engine Components JE Pistons Piston Sets - Forged - 6cyl
Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of...
JE Pistons VW 2.0T TSI Ultra Series 23mm PIN - Set of 4 Pistons JE Pistons VW 2.0T TSI Ultra Series 23mm PIN - Set of 4 Pistons Quick View
JE Pistons

JE Pistons VW 2.0T TSI Ultra Series 23mm PIN - Set of 4 Pistons

$1,124.99
JEP367863
Engine Components JE Pistons Piston Sets - Forged - 4cyl
Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of...
JE Pistons Cadillac 2.0L Turbo Ecotec LTG 86.25mm +0.25 Oversize Bore 9.5:1 Kit (Set of 4) JE Pistons Cadillac 2.0L Turbo Ecotec LTG 86.25mm +0.25 Oversize Bore 9.5:1 Kit (Set of 4) Quick View
JE Pistons

JE Pistons Cadillac 2.0L Turbo Ecotec LTG 86.25mm +0.25 Oversize Bore 9.5:1 Kit (Set of 4)

$899.99
JEP361352
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 Ultra Series Toyota 2JZ-GTE 86.5mm Bore 9.0:1 CR Set of 6 Pistons JE Pistons Ultra Series Toyota 2JZ-GTE 86.5mm Bore 9.0:1 CR Set of 6 Pistons Quick View
JE Pistons

JE Pistons Ultra Series Toyota 2JZ-GTE 86.5mm Bore 9.0:1 CR Set of 6 Pistons

$1,674.99
JEP361343
Engine Components JE Pistons Piston Sets - Forged - 6cyl
Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of...
JE Pistons Ultra Series Subaru EJ257 99.75mm Bore 9.5:1 CR Set of 4 Pistons JE Pistons Ultra Series Subaru EJ257 99.75mm Bore 9.5:1 CR Set of 4 Pistons Quick View
JE Pistons

JE Pistons Ultra Series Subaru EJ257 99.75mm Bore 9.5:1 CR Set of 4 Pistons

$1,124.99
JEP361331
Engine Components JE Pistons Piston Sets - Forged - 4cyl
Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of...
JE Pistons Subaru EJ25 Ultra Series 100mm Bore Dia -17.3cc 8.5:1 0.905in Pin - Piston Set JE Pistons Subaru EJ25 Ultra Series 100mm Bore Dia -17.3cc 8.5:1 0.905in Pin - Piston Set Quick View
JE Pistons

JE Pistons Subaru EJ25 Ultra Series 100mm Bore Dia -17.3cc 8.5:1 0.905in Pin - Piston Set

$1,124.99
JEP361329
Engine Components JE Pistons Piston Sets - Forged - 4cyl
Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of...
JE Pistons Subaru EJ25 Ultra Series 8.5:1 (Set of 4) JE Pistons Subaru EJ25 Ultra Series 8.5:1 (Set of 4) Quick View
JE Pistons

JE Pistons Subaru EJ25 Ultra Series 8.5:1 (Set of 4)

$1,124.99
JEP361328
Engine Components JE Pistons Piston Sets - Forged - 4cyl
Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of...
JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 - Piston Set JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 - Piston Set Quick View
JE Pistons

JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 - Piston Set

$1,124.99
JEP361327
Engine Components JE Pistons Piston Sets - Forged - 4cyl
Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of...
JE Pistons 2013+ Hyundai Gamma GDI 1.6L Turbo 77mm Bore -8.2cc Dish Piston Kit (Set of 4 Pistons) JE Pistons 2013+ Hyundai Gamma GDI 1.6L Turbo 77mm Bore -8.2cc Dish Piston Kit (Set of 4 Pistons) Quick View
JE Pistons

JE Pistons 2013+ Hyundai Gamma GDI 1.6L Turbo 77mm Bore -8.2cc Dish Piston Kit (Set of 4 Pistons)

$899.99
JEP361285
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...
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