1990 GMC Pistons & Piston Rings

Piston - GM 5.7L (350) V8 FLATTOP COAT (040) W/P AFTERMARKET VERSION

Part Number: MAH-2243547040

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M683020

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, Chrome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-cylinder, Set

Part Number: HSN-2C139030

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.250 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8562

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139070

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L6, V6, Set

Part Number: SLP-E-229K40

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-139S030

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: HSN-CM5532020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, GM 4-Cylinder, Set of 4

Part Number: UEM-KB223-030

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Estimated Ship Date: May 27, 2026 if ordered today

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Engine Piston Kit 87-95 BUI/CAD/CHV/GM/GMC/OLD/PON 4.3L/5.0L

Part Number: EGN-K15988030

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Estimated Ship Date: May 12, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: HSN-CM5532S030

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Plasma-moly, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M683070

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Phosphate Coated, 4.010 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139010

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Pistons, Hypereutectic, Chevy 350, Dish, 4.000 in. Bore, Each

Part Number: SLP-WH423DCP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Steel Series Performance Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 0.043 in., 0.043 in., 3.0mm, L8, V8, Set of 8

Part Number: HSN-SM5587030

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Estimated Ship Date: May 5, 2026 if ordered today

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

Part Number: HSN-2M139S040

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Phosphate Coated, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-683030

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-139S

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Pistons, Hypereutectic, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, Set of 6

Part Number: UEM-3490HC-020

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Estimated Ship Date: May 27, 2026 if ordered today

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

Part Number: HSN-2M5615

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Single Piston

Part Number: MAH-S2243543030

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Estimated Ship Date: May 21, 2026 if ordered today

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Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1470-STD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-2M139S

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Estimated Ship Date: Monday 4/20/2026 if shipped by air