Pistons

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

Part Number: UEM-KB399KTM-030

5.0 out of 5 stars ( 2 )

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

Part Number: UEM-IC846KTD-030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: DMS-K3-6310-3940

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: DMS-1-6310-3940

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: DMS-3-6310-3940

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: DMS-K1-6310-3940

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: DPP-50001

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: DMS-2-6310-3940

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: DMS-K2-6310-3940

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston, Hypereutectic, Dome, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB399-030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: UEM-KB399-030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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-IC844-030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: UEM-IC845KTD-030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: UEM-IC845-030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Pistons, Professional Series, Forged Aluminum, Reverse Dome, 3.940 in. Bore, Stroked, Left Side, Chrysler, Dodge, Plymouth, Small Block, LA, Each

Part Number: WIS-60145LA3940

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, Professional Series, Forged Aluminum, Reverse Dome, 3.940 in. Bore, Stroked, Right Side, Chrysler, Dodge, Plymouth, Small Block, LA, Each

Part Number: WIS-60145RA3940

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Estimated Ship Date: Dec 29, 2025 if ordered today

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