1985 GMC Pistons & Piston Rings

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V6, Set

Part Number: MAH-50664CP

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Ring Set, Plain - Ford 240 Eng. (65-72), Ford Ind., Ford Trk. 240,300 Engs. (65-94),

Part Number: MAH-50664CP040

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-51137CP030

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Piston Rings, Plasma-moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: MAH-40664CP060

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

Part Number: HSN-2C139S070

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5538S060

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PERFECT CIRCLE SET

Part Number: MAH-S40564CP030

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5538075

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V6, Set

Part Number: MAH-51475CP

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50203CP

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50203CP030

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Pistons, Hypereutectic, Dish, 4.040 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H580CP40

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Piston and Ring Kit, Forged, Step Dish, 4.020 in. Bore, General Motors, V6, Kit

Part Number: UEM-IC6731KTD020

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Single Piston

Part Number: MAH-S2243543040

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Single Piston

Part Number: MAH-S2242012

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Single Piston

Part Number: MAH-S2242012040

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Estimated Ship Date: Apr 1, 2026 if ordered today

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SINGLE PISTON

Part Number: MAH-S2242707030

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.250 in. Bore, 3/32 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-40723CP

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, Set of 4

Part Number: UEM-KB223-020

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, Set of 4

Part Number: UEM-KB223-STD

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston, Hypereutectic, Flat, 3.938 in. Bore, 3/32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3481HC-STD

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Piston, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Each

Part Number: UEM-S3490HC-040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Each

Part Number: UEM-S3490HC-060

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Pistons, Hypereutectic, Dome, 3.958 in. Bore, 3/32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3461HC-020

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Pistons, Hypereutectic, Dome, 3.978 in. Bore, 3/32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3461HC-040

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