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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 Chrysler 440 BB 4.360in Bore Flat Top -6.00cc Forged Pistons - Set of 8 JE Pistons Chrysler 440 BB 4.360in Bore Flat Top -6.00cc Forged Pistons - Set of 8 Quick View
JE Pistons

JE Pistons Chrysler 440 BB 4.360in Bore Flat Top -6.00cc Forged Pistons - Set of 8

$734.99
JEP213456
Engine Components JE Pistons Piston Sets - Forged - 8cyl
Born from the rich racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line proudly bridges the gap between high-quality forged piston...
Quick View
JE Pistons

JE Pistons Nissan VK56DE 3.898in Bore -18..9cc Inv. Dome Pistons - Set of 8

$1,574.99
JEP371791
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...
Quick View
JE Pistons

JE Pistons Ring Sets 1.0/1.2/2.8 - 86.00mm DLC

$533.50
JEPUX1006-3386
Engine Components JE Pistons Piston Rings
JE Pistons Ring Sets 1.0/1.2/2.8 - 86.00mm DLC
JE Pistons Nissan RB25DET 87mm Bore 14.50 CC Dome Piston - Set of 6 JE Pistons Nissan RB25DET 87mm Bore 14.50 CC Dome Piston - Set of 6 Quick View
JE Pistons

JE Pistons Nissan RB25DET 87mm Bore 14.50 CC Dome Piston - Set of 6

$1,214.99
JEP361313
Engine Components JE Pistons Piston Sets - Forged - 6cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
Quick View
JE Pistons

JE Pistons GM LS7 - 4.1275in Bore - 1.163in CH - Flat Top FSR Single Piston (Left Side)

$199.99
JEP311903L
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 Pin - .990in X 2.93in - Straight Wall - 150W - Single Pin Quick View
JE Pistons

JE Pistons Pin - .990in X 2.93in - Straight Wall - 150W - Single Pin

$17.99
JEP990-2930-15-51C
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 Oil Rail Support Ring JE Pistons Oil Rail Support Ring Quick View
JE Pistons

JE Pistons Oil Rail Support Ring

$8.99
JEP3170-122
Engine Components JE Pistons Piston Rings Under 100
JE Oil Rail Supports feature a special locking detent to prevent rotation of the oil rail and keep the rail support gap 90? from...
JE Pistons Subaru FA20 Ultra Series -10.20 cc 86mm Bore Piston Kit (Set of 4) JE Pistons Subaru FA20 Ultra Series -10.20 cc 86mm Bore Piston Kit (Set of 4) Quick View
JE Pistons

JE Pistons Subaru FA20 Ultra Series -10.20 cc 86mm Bore Piston Kit (Set of 4)

$1,124.99
JEP367898
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 Ford GT500 5.8L Modular Piston Kit JE Pistons Ford GT500 5.8L Modular Piston Kit Quick View
JE Pistons

JE Pistons Ford GT500 5.8L Modular Piston Kit

$989.99
JEP371782
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...
Quick View
JE Pistons

JE Pistons Ford 2.0L ZETEC Piston - 85.00mm Bore - 1.171in CH - 5.00 CC - Single

$299.99
JEP298717S
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 2017+ Ford EcoBoost 3.5L V6 93.00mm Bore -9.70cc Dish FSR Piston - Set of 6 JE Pistons 2017+ Ford EcoBoost 3.5L V6 93.00mm Bore -9.70cc Dish FSR Piston - Set of 6 Quick View
JE Pistons

JE Pistons 2017+ Ford EcoBoost 3.5L V6 93.00mm Bore -9.70cc Dish FSR Piston - Set of 6

$1,574.99
JEP360935
Engine Components JE Pistons Piston Sets - Forged - 6cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
Photo - Primary Quick View
JE Pistons

JE Pistons 1.2-000-2.0-3976 - Ring Set

$24.99
JEPZS10100
Engine Components JE Pistons Piston Rings Under 100
JE Piston Rings are designed to maximize horsepower through precision sealing of combustion pressure. They are offered in a huge selection of sizes, various...
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