Pistons

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

Part Number: UEM-KB167KTM-030

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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

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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 )

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Pistons, Hypereutectic, Flat, 3.940 in. Bore, 2.0mm, 2.0mm, 4.0mm Ring Grooves, Mopar, Set of 8

Part Number: UEM-3234HC-030

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Estimated Ship Date: Apr 21, 2026 if ordered 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: Apr 27, 2026 if ordered today

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Pistons, Cast, Flat, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-1266C-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Pistons, Cast, Flat, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-3247-030

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Estimated Ship Date: Apr 24, 2026 if ordered today

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

Part Number: UEM-IC847KTD-030

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Estimated Ship Date: Apr 27, 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: Apr 24, 2026 if ordered today

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Piston - Chrys. Pass., Marine & Dodge Trk. 238.5 (3.9L) (1986-98), 318 (5.2L) Eng.

Part Number: MAH-2242007030

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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: Apr 6, 2026 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: Apr 6, 2026 if ordered today

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

Part Number: EGN-P30048030

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Estimated Ship Date: Apr 9, 2026 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: Apr 13, 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: Apr 13, 2026 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: Apr 24, 2026 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: Apr 6, 2026 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: Apr 6, 2026 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: Apr 6, 2026 if ordered today

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

Part Number: EGN-K15168030

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: EGN-K30048030

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Engine Piston Set 87-03 DOD 3.9L

Part Number: EGN-P30046030

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Piston - Ford Trk. VT365 (6.0L) V8 363cid Powerstroke Turbo Diesel (2003-2004)

Part Number: MAH-2243454020

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Piston - AMC, Jeep 150 (2.46L) Eng. (1983-93), 242 (4.0L) Engs. (1983-98)

Part Number: MAH-2242322060

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Pistons, Cast, Flat, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-1278-030

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Estimated Ship Date: Apr 24, 2026 if ordered today

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