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JE Pistons 400 Small Block 18 Degree Dome Pistons

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JE Pistons 400 small block 18 degree dome pistons feature a new dome profile to match a wider variety of 18 degree heads. They're designed to fit your high-compression, high-horsepower, 17/18 degree dirt late model engine. They have smooth flowing domes for optimum flame travel and angle milled head compatibility. New valve reliefs will accommodate larger valves and long-duration, tight lobe separation cams. These pistons utilize dedicated left and right hand forgings and accept 1/16, 1/16, 3/16 rings.

Results 1 - 25 of 76

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.155 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213107-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213103-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.155 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213122-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Left, Each

Part Number: JEP-213108L

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Estimated Ship Date: Today

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Estimated Ship Date: Today

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.135 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213105-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Right, Each

Part Number: JEP-213123R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.155 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213112-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18 Degree, Forged, Dome, 2-Valve Reliefs, 4.155 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, Chevy, 1.062 in. Compression, Left, Each

Part Number: JEP-213112L

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18 Degree, Forged, Dome, 2-Valve Reliefs, 4.155 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, Chevy, 1.062 in. Compression, Right, Each

Part Number: JEP-213112R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.145 in. Bore, 3.800 in. Stroke, 6.000 in. Rod, 1.100 in. Compresion, Chevy, Right, Each

Part Number: JEP-213116R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.155 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, Chevy, 1.125 in, Compression, Left, Each

Part Number: JEP-213122L

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.155 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, Chevy, 1.125 in, Compression, Right, Each

Part Number: JEP-213122R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.155 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Right, Each

Part Number: JEP-213107R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.145 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Left, Each

Part Number: JEP-213121L

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213108-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Right, Each

Part Number: JEP-213108R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.125 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213109-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Left, Each

Part Number: JEP-213109L

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Right, Each

Part Number: JEP-213109R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Left, Each

Part Number: JEP-213110L

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Right. Each

Part Number: JEP-213111R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, Chevy, 1.000 in. Compression, Left, Each

Part Number: JEP-213103L

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Right, Each

Part Number: JEP-213103R

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Pistons, 400 Small Block 18 Degree, Forged, Dome 2 Valve Reliefs, 4.130 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, Chevy, Set of 8

Part Number: JEP-213104-8

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Piston, 18-Degree, Forged, Dome, 2-Valve Reliefs, 4.130 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.00 in. Compression, Chevy, Left, Each

Part Number: JEP-213104L

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

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