Pistons

Piston and Ring, Forged, Flat, 4.030 in. Bore, Chevy, Kit

Part Number: WIS-K398X3

5.0 out of 5 stars ( 1 )

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.903 in. Bore, 0.927 in. Wrist Pin, GM, LS, 5.7L, Set

Part Number: UEM-IC9989C-005

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.898 in. Bore, 0.927 in. Wrist Pin, GM, LS, 5.7L, Set

Part Number: UEM-IC9989C-STD

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Pistons, Professional Series, Forged Aluminum, Flat Top, 4.000 in. Bore, Rings, Replacement Left Bank Piston, Chevrolet, 6.0L LS, Each

Part Number: WIS-6398LXS

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Pistons, Professional Series Piston Kits, 4.005 in. Bore, Forged, Flat Top, 1.2mm, 1.2mm, 3.0mm Rings, Chevrolet, 6.0L LS, Kit

Part Number: WIS-K398X05

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Pistons and Rings, Forged, Flat, 3.905 in. Bore, Chevy, Kit

Part Number: WIS-K398X3905

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Pistons, Professional Series, Forged, Flat Top, 4.080 in. Bore, Rings, Must Use K1 or Aftermarket Rod, Chevrolet, 5.7L, 6.0L, 6.2L, 7.0L, Set of 8

Part Number: WIS-K398X8

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston, Professional Series, 3.905 in. Bore, Forged Aluminum, Chevrolet, LS, Each

Part Number: WIS-6398RX3905

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Pistons, Professional Series, Forged Aluminum, Flat Top, 4.000 in. Bore, Rings, Replacement Right Bank Piston, Chevrolet, 6.0L LS, Each

Part Number: WIS-6398RXS

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.908 in. Bore, 0.927 in. Wrist Pin, GM, LS, 5.7L, Set

Part Number: UEM-IC9989C-010

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Estimated Ship Date: Feb 23, 2026 if ordered today

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