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JE Pistons Big Duke/Big Chief GP 18-Degree Pistons

Not Yet Reviewed

JE Pistons Big Duke/Big Chief GP 18-degree pistons feature a race-proven dome and skirt design and are specifically designed for the Big Duke/Big Chief cylinder heads. The valve reliefs have been designed to accept oversized valves and long-duration, tight lobe separation roller cams. Their ring grooves are precision CNC-machined and the pistons are offered in nitrous versions, too.

Results 1 - 3 of 3

Pistons, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8

Part Number: JEP-243318-8

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Pistons, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8

Part Number: JEP-170669-8

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Pistons, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8

Part Number: JEP-170673-8

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

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