1966 Pistons & Piston Rings

Piston Rings, X, Moly, 3.477 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3477X

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Piston Rings, Moly, 3.518 in. Bore, Buell, Harley-Davidson®, Set

Part Number: WIS-3517X

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3101HC-060

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston, Cast, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1271-060

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3101HC-040

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Piston Rings, X, Moly, 3.447 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3447X

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Estimated Ship Date: Feb 2, 2026 if ordered today

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

Part Number: HSN-582060

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-586010

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-586080

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-656020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-6601S060

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-6781010

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-6781020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-6781030

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-6781040

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.109 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-574060

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-2M5528S030

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-2M5528S035

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-2M5528S055

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-2M5526S030

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-4842S

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-4842S040

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-2M8521S045

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM5597S035

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM8550S

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Estimated Ship Date: Jan 23, 2026 if ordered today

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