1991 GMC SONOMA Hastings Piston Rings Piston Rings

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M592040

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: HSN-592020

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.059 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: HSN-592060

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.039 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: HSN-592040

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Triple Chrome

Part Number: HSN-2C5663S040

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Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-4721020

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Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-4721030

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Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-4721060

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: HSN-592080

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Estimated Ship Date: Feb 9, 2026 if ordered today

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