Pistons

Pistons, Cast, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Small Block, Set of 8

Part Number: UEM-1273-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston Set, 506 Viper/SRT K2-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K2-6480-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 506 Viper/SRT K1-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K1-6480-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB349KTD-040

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, Set of 4

Part Number: UEM-3493HC-040

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, GM 4-Cylinder, Set of 4

Part Number: UEM-KB223-040

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Piston Set, 506 Viper/SRT 2-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-2-6470-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 506 Viper/SRT 1-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-1-6470-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 506 Viper/SRT 1-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-1-6480-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 506 Viper/SRT K1-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K1-6470-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 506 Viper/SRT 2-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-2-6480-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Pistons, Cast, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-1147-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Pistons, Cast, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1527-040

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB349KTM-040

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

Part Number: UEM-KB315-040

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB315KTM-040

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, GM Holden, V8, Set of 8

Part Number: UEM-KB282-040

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Holden, V8, Kit

Part Number: UEM-KB282KTM-040

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Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.400 in. Stroke, Flat Top, Ford, Small Block, Each

Part Number: UEM-SIC613-040

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

Part Number: UEM-KB349-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston, Cast, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S1273-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston Set, 506 Viper/SRT K2-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K2-6470-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 506 Viper/SRT K3-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K3-6470-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 506 Viper/SRT K3-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K3-6480-4040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, 4 Cylinder, Each

Part Number: UEM-S3493HC-040

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Estimated Ship Date: Feb 2, 2026 if ordered today

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