Pistons - 3.950 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

KB Performance Hyper Piston and Ring Kits KB167KTM.040

Piston and Ring Kit, Hypereutectic, Flat, 3.950 in. Bore, Chrysler, Kit

Part Number: UEM-KB167KTM-040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6310-3950

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6310-3950

Piston Set, 318 Mopar 1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore

Part Number: DMS-1-6310-3950

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

ICON Premium Forged Pistons IC846.040

Pistons, Forged, Flat, 3.950 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: UEM-IC846-040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Silv-O-Lite Hypereutectic Pistons 3234HC.040

Pistons, Hypereutectic, Flat, 3.950 in. Bore, 2.0mm, 2.0mm, 4.0mm Ring Grooves, Mopar, Set of 8

Part Number: UEM-3234HC-040

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ICON Premium Forged Piston and Ring Kits IC847KTD.040

Piston and Ring Kit, Forged, Step Dish, 3.950 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC847KTD-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

ICON Premium Forged Pistons IC844.040

Pistons, Forged, Flat, 3.950 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-IC844-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Enginetech Piston and Ring Kits K3004(8)040

Engine Piston Kit 85-03 CHR/DOD/JEP/PLY 5.2L

Part Number: EGN-K30048040

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6310-3950

Piston Set, 318 Mopar 2-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore

Part Number: DMS-2-6310-3950

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6310-3950

Piston Set, 318 Mopar 3-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore

Part Number: DMS-3-6310-3950

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6310-3950

Piston Set, 318 Mopar K1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore

Part Number: DMS-K1-6310-3950

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6310-3950

Piston Set, 318 Mopar K2-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore

Part Number: DMS-K2-6310-3950

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Enginetech Piston Sets P1516(8)040

Engine Piston Set 67-84 CHR/DOD/PLY 5.2L

Part Number: EGN-P15168040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Enginetech Piston and Ring Kits K1516(8)040

Engine Piston Kit 67-84 CHR/DOD/PLY 5.2L

Part Number: EGN-K15168040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Mahle Original OE Replacement Pistons for 1997-2001 EXPLORER, 1998-2001 MOUNTAINEER, 2001-2003 RANGER - 224-3423

Piston - Ford Trk. (4.0L) 244 V6, (1997-2001) VIN E

Part Number: MAH-2243423

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Silv-O-Lite Cast Pistons S3247.040

Piston, Cast, Flat, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S3247-040

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Call to Order

Silv-O-Lite Hypereutectic Pistons 3236HC.040

Pistons, Hypereutectic, Flat, 3.950 in. Bore, 5/64, 5/64, 5/32 Ring Grooves, Mopar, Set of 6

Part Number: UEM-3236HC-040

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Silv-O-Lite Cast Pistons 3246.04

Pistons, Cast, Flat, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, V6, Set of 6

Part Number: UEM-3246-040

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Silv-O-Lite Cast Pistons 3247.04

Pistons, Cast, Flat, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-3247-040

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6310-3950

Piston Set, 318 Mopar K3-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore

Part Number: DMS-K3-6310-3950

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

ICON Premium Forged Pistons IC847.040

Pistons, Forged, Dish, 3.950 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-IC847-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Silv-O-Lite Cast Pistons 1278.04

Pistons, Cast, Flat, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-1278-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

ICON Premium Forged Piston and Ring Kits IC844KTD.040

Piston and Ring Kit, Forged, Flat, 3.950 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC844KTD-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Enginetech Piston and Ring Kits K3004(8)P040

Engine Piston Kit 85-03 CHR/DOD/JEP/PLY 5.2L

Part Number: EGN-K30048P040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Enginetech Piston and Ring Kits K3004(6)P040

Engine Piston Kit 87-03 DOD 3.9L

Part Number: EGN-K30046P040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Enginetech Piston and Ring Kits K3004(6)040

Engine Piston Kit 87-03 DOD 3.9L

Part Number: EGN-K30046040

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today