CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Pistons, Forged, Dished, 4.005 in. Bore, Chevy, Set of 8

Part Number: WIS-K392X05

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Pistons and Ring, Forged, Dished, 3.905 in. Bore, Chevy, Kit

Part Number: WIS-K392X3905

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Pistons and Ring, Forged, Dished, 4.070 in. Bore, Chevy, Kit

Part Number: WIS-K392X7

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Pistons and Ring, Forged, Dished, 4.000 in. Bore, Chevy, Kit

Part Number: WIS-K392XS

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Pistons and Rings, Forged Dish, 4.000 in. Bore, Chevy, Kit

Part Number: WIS-K394XS

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Pistons and Rings, Forged Flat, 4.005 in. Bore, Chevy, Kit

Part Number: WIS-K396X05

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Pistons and Rings, Forged Flat, 3.903 in. Bore, Chevy, Kit

Part Number: WIS-K396X3903

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Pistons and Rings, Forged, Dish, 4.070 in. Bore, Chevy, Kit

Part Number: WIS-K396X7

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Pistons and Rings, Forged Flat, 4.130 in. Bore, Chevy, Kit

Part Number: WIS-K397X130

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Pistons and Rings, Forged Flat, 4.135 in. Bore, Chevy, Kit

Part Number: WIS-K397X135

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Pistons and Rings, Professional Series, Forged Flat, 4.155 in. Bore, Chevy, Set of 8

Part Number: WIS-K397X155

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Pistons and Rings, Forged Flat, 4.125 in. Bore, Chevy, Kit

Part Number: WIS-K443X125

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Pistons, Gas Nitrided Rings, Forged Flat, 4.000 in. Bore, Chevy, Kit

Part Number: WIS-K444XS

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Pistons, Dished, Gas Nitrided Top Ring, 4.020 in. Bore, Chevy, Kit

Part Number: WIS-K445X2

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Pistons, Dished, Gas Nitrided Top Ring, 4.035 in. Bore, Chevy, Kit

Part Number: WIS-K445X35

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Pistons, Gas Nitrided Rings, Dished, 4.000 in. Bore, Chevy, Kit

Part Number: WIS-K445XS

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Pistons, Gas Nitrided Rings, Forged Dome, 4.000 in. Bore, Chevy, Kit

Part Number: WIS-K0044XS

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Pistons, Gas Nitrided Rings, Forged Flat, 4.005 in. Bore, Chevy, Kit

Part Number: WIS-K0045X05

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Pistons, Gas Nitrided Rings, Forged Flat, 4.020 in. Bore, Chevy, Kit

Part Number: WIS-K0045X2

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Pistons, Gas Nitrided Rings, Forged Flat, 4.000 in. Bore, Chevy, Kit

Part Number: WIS-K0045XS

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Pistons and Rings, Forged Flat, 4.135 in. Bore, Chevy, Kit

Part Number: WIS-K446X135

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Pistons and Rings, Forged Flat, 4.155 in. Bore, Chevy, Kit

Part Number: WIS-K446X155

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Pistons and Rings, Forged Dome, 4.030 in. Bore, Chevy, Kit

Part Number: WIS-K449X3

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Pistons and Rings, Forged Dome, 4.005 in. Bore, Chevy, Kit

Part Number: WIS-K450X05

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Pistons, Forged Dish, Gas Nitrided Top Ring, 4.135 in. Bore, Chevy, Kit

Part Number: WIS-K452X135

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