1991 Pistons & Piston Rings

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: Today

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-229K30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.039 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139040

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: SLP-WH423DCP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: HSN-2M139S040

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Piston Rings, Phosphate Coated, 3.765 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-5499030

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Estimated Ship Date: Today

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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Piston, Hypereutectic, Flat, 4.060 in. Bore, Chevy, Each

Part Number: SUM-17351C-60-1

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Piston Rings, Premium Piston Ring Sets, Chrome, 4.016 in. Bore, 3.0mm, 2.38mm, 4.0mm Thickness, Single Cylinder Set, L6, Set

Part Number: MAH-S42221

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Piston, Hypereutectic, Flat, 4.040 in. Bore, 3.75 in. Stroke, 5/64 in., 5/64 in., 3/16 in. Rings, Chevy, Each

Part Number: SLP-WH860CP40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 2.0mm, 1.5mm, 4.0mm Thickness, V8, Set

Part Number: MAH-51616CP

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Single Piston

Part Number: MAH-S2243543030

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Estimated Ship Date: May 4, 2026 if ordered today

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Piston, Hypereutectic, Flat, 3.504 in. Bore, Ford, Each

Part Number: SLP-WH497P

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-148

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

Part Number: HSN-CM5532S030

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.800 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V6, Set

Part Number: MAH-41696CP020

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Estimated Ship Date: Today

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: Today

Piston Rings, Piston Ring Sets, Standard Size, 3.498 in. Bore, Phosphate Coated, 1/16 in., 1/16 in., 5/32 in. Ring Thickness, L2, V2, Pair

Part Number: HSN-6164

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Each

Part Number: SUM-17350C-30-1

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Estimated Ship Date: Today

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L6, Set

Part Number: MAH-50514CP

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Estimated Ship Date: Today

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

Part Number: HSN-2M592040

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Piston Rings, XA Series, 67.000mm Bore, 0.8mm, 0.8mm, 1.5mm Thickness, Single Piston, Set

Part Number: WIS-2638XA

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 3.661 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L4, Set of 4

Part Number: HSN-2M4216040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set

Part Number: HSN-2D4914S

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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• Special Order