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Pistons

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Results 1 - 25 of 100

Pistons, Hypereutectic, Flat, 4.040 in. Bore, 3.75 in. Stroke, Chevy, Set of 8

Part Number: SLP-H860CP40

4.33 out of 5 stars ( 3 )

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Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17365FC-40

5.0 out of 5 stars ( 2 )

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Piston and Ring Kit, Forged, Flat, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC718KTD-040

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Pistons, Forged, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC718-040

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Pistons, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Set of 8

Part Number: SLP-H859CP40

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9909HC-040

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.040 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc

Part Number: SUM-SBC383040L

5.0 out of 5 stars ( 1 )

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Forged Pro pistons for 383 Stroker Chevy, 4.040 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.

Part Number: SUM-SBC383040

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385cid 4.040 x 1.425CH, 3.750stroke,5.700rod,0.927pin,-5.0cc,464g,11.2CR, 4032

Part Number: MLE-930200140-1

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9906HC-040

5.0 out of 5 stars ( 1 )

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Piston, Hypereutectic, Flat, 4.040 in. Bore, 3.75 in. Stroke, 5/64 in., 5/64 in., 3/16 in. Rings, Chevy, Each

Part Number: SLP-WH860CP40

5.0 out of 5 stars ( 1 )

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Piston, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each

Part Number: JEP-140349S

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Pistons, Hypereutectic, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB123-040

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB193-040

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9912HC-040

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.750 in. Stroke, Dome, Chevy, Small Block, Set of 8

Part Number: UEM-IC970KTD-040

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Piston and Ring Kit, PowerPak, 4.040 in. Bore, 3.50 in. Stroke, 6.125 in. Stroke, Flat Top, Forged, Chevrolet, Small Block Gen I, Kit

Part Number: MLE-197753140

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Piston and Ring Kit, Forged, Dome, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC794KTD-040

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Piston and Ring Kit, Forged, 4.040 in. Bore, Chevy, Kit

Part Number: MLE-930211040

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Piston and Ring Kit, Forged, 4.040 in. Bore, Chevy, Kit

Part Number: MLE-930210240

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Piston and Ring Kit, Power Pak Plus, 4.040 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, Dish, Forged, Chevrolet, 350 CID, Kit

Part Number: MLE-930210440

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Piston and Ring Kit, Forged, Dome, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC733KTD-040

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Piston and Ring Kit, Forged, Step Dish, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC735KTD-040

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Piston and Ring Kit, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB102KTD-040

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today