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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 Chevrolet Big Block 4.310in Bore 1.270in CH 18.00 CC Piston Kit JE Pistons Chevrolet Big Block 4.310in Bore 1.270in CH 18.00 CC Piston Kit Quick View
JE Pistons

JE Pistons Chevrolet Big Block 4.310in Bore 1.270in CH 18.00 CC Piston Kit

$839.99
JEP212157
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 Chevrolet Big Block 4.280in Bore 1.270in CH -18.00 CC Piston - Single

$183.99
JEP212156S
Engine Components JE Pistons Pistons - Forged - Single
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...
JE Pistons Chevrolet Big Block 4.310in Bore 1.645in CH -23.00 CC Piston Set JE Pistons Chevrolet Big Block 4.310in Bore 1.645in CH -23.00 CC Piston Set Quick View
JE Pistons

JE Pistons Chevrolet Big Block 4.310in Bore 1.645in CH -23.00 CC Piston Set

$787.99
JEP212136
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...
JE Pistons Chevrolet Big Block 4.280in Bore 1.645in CH 23.00 CC Piston Kit JE Pistons Chevrolet Big Block 4.280in Bore 1.645in CH 23.00 CC Piston Kit Quick View
JE Pistons

JE Pistons Chevrolet Big Block 4.280in Bore 1.645in CH 23.00 CC Piston Kit

$787.99
JEP212135
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 Ford Small Block 4.030in Bore 1.250in CH -3.00 CC Piston - Single

$157.99
JEP206069S
Engine Components JE Pistons Pistons - Forged - Single
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...
JE Pistons Ford Small Block 4.030in Bore 1.165in CH -5.00 CC Piston Kit JE Pistons Ford Small Block 4.030in Bore 1.165in CH -5.00 CC Piston Kit Quick View
JE Pistons

JE Pistons Ford Small Block 4.030in Bore 1.165in CH -5.00 CC Piston Kit

$656.99
JEP206066
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...
JE Pistons Ford Small Block 4.030in Bore 1.300in CH -5.00 CC Piston Kit JE Pistons Ford Small Block 4.030in Bore 1.300in CH -5.00 CC Piston Kit Quick View
JE Pistons

JE Pistons Ford Small Block 4.030in Bore 1.300in CH -5.00 CC Piston Kit

$656.99
JEP206059
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 Chevrolet Big Block 4.530in Bore 1.270in CH -3.00 CC Piston - Single

$157.99
JEP142985S
Engine Components JE Pistons Pistons - Forged - Single
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...
JE Pistons Chevrolet Big Block 4.500in Bore 1.270in CH -3.00 CC Piston Set JE Pistons Chevrolet Big Block 4.500in Bore 1.270in CH -3.00 CC Piston Set Quick View
JE Pistons

JE Pistons Chevrolet Big Block 4.500in Bore 1.270in CH -3.00 CC Piston Set

$761.99
JEP142984
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...
JE Pistons Chevrolet Big Block 4.310in Bore 1.270in CH -3.00 CC Piston Set JE Pistons Chevrolet Big Block 4.310in Bore 1.270in CH -3.00 CC Piston Set Quick View
JE Pistons

JE Pistons Chevrolet Big Block 4.310in Bore 1.270in CH -3.00 CC Piston Set

$761.99
JEP142980
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...
JE Pistons Chevrolet Small Block 4.030in Bore 1.125in CH -7.00 CC Piston Set JE Pistons Chevrolet Small Block 4.030in Bore 1.125in CH -7.00 CC Piston Set Quick View
JE Pistons

JE Pistons Chevrolet Small Block 4.030in Bore 1.125in CH -7.00 CC Piston Set

$734.99
JEP140348
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 Chevrolet Big Block 4.310in Bore 1.270in CH -43.00 CC Piston - Single

$183.99
JEP139832S
Engine Components JE Pistons Pistons - Forged - Single
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...
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