Pistons - 100.076mm Bore (mm) - Flat top, with two valve reliefs Piston Style - 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.030

Piston and Ring Kit, Hypereutectic, Flat, 3.940 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB167KTM-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

KB Performance Pistons KB167.030

Pistons, Hypereutectic, Flat, 3.940 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: UEM-KB167-030

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ICON Premium Forged Piston and Ring Kits IC846KTD.030

Piston and Ring Kit, Forged, Flat, 3.940 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC846KTD-030

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

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6310-3940

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6310-3940

Piston Set, 318 Mopar 2-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.940 bore

Part Number: DMS-2-6310-3940

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 Pistons 1-6310-3940

Piston Set, 318 Mopar 1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.940 bore

Part Number: DMS-1-6310-3940

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

Diamond Pistons Domestic Series Pistons 50001

MO MAG FT 3.940B/4.000S/6.123R/1.457CD

Part Number: DPP-50001

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

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6310-3940

Piston Set, 318 Mopar 3-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.940 bore

Part Number: DMS-3-6310-3940

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 K1-6310-3940

Piston Set, 318 Mopar K1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.940 bore

Part Number: DMS-K1-6310-3940

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 K2-6310-3940

Piston Set, 318 Mopar K2-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.940 bore

Part Number: DMS-K2-6310-3940

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 IC846.030

Pistons, Forged, Flat, 3.940 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-IC846-030

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 K3-6310-3940

Piston Set, 318 Mopar K3-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.940 bore

Part Number: DMS-K3-6310-3940

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