Pistons & Piston Rings

Piston Rings, Gas Nitrided, 4.125 in. Bore, Harley-Davidson®, Set

Part Number: WIS-4125VM

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Engine Piston Ring Set, 4.125 Ring Set - 1.2x1.2x3.0mm

Part Number: WIS-4125VMF

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Ring Set- 4.130 x 1/16x1/16x3/16

Part Number: WIS-4130H

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4.135" x 1.2 x 1.2 x 2.0mm Rin

Part Number: WIS-4135VM

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4.135" Ring Set - .043"x1.2x2.

Part Number: WIS-4135VZ

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Piston Rings, Gas Nitrided, 4.147 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4147GFX

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Piston Rings, Plasma-moly, 4.155 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4155HF

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Piston Rings, Plasma-moly, 4.127 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4160H

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Piston Rings, Plasma-moly, 4.470 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4470H

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Piston Rings, Plasma-moly, 4.185 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4185HF

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Engine Piston Ring Set, 4.250 Ring Set - .042x.042x3.0mm

Part Number: WIS-4250VMF

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Piston Rings, Gas Nitrided, 4.250 in. Bore, Harley-Davidson®, Set

Part Number: WIS-4250VQ

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Piston Rings, Plasma-Moly, 4.250 in. Bore, Harley-Davidson®, Set

Part Number: WIS-4250ZB

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Piston Rings, Gas NItrided, 4.0027 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4027GFX

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Piston Rings, Gas Nitrided, 40.50mm Bore, for use on Honda®, Set

Part Number: WIS-4050XZ

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4.060" Ring Set - 1.2x1.2x2.0m

Part Number: WIS-4060VM

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Engine Piston Ring Set, 4.060 Ring Set - 1.2x1.2x3.0mm

Part Number: WIS-4060VMF

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4.060" Bore .059x.059x.098" Ri

Part Number: WIS-4060XK

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4.070" Ring Set - 1.2x1.2x2.0m

Part Number: WIS-4070VM

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4.070" Bore .059x.059x.098" Ri

Part Number: WIS-4070XK

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Piston Rings, Plasma-moly, 4.070 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4075HF

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4.080" Auto Ring Set for 1 Piston

Part Number: WIS-4080HF

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103.89mm (4.090") Auto Ring Set - 8 cyl

Part Number: WIS-4090GFX

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Piston Rings, Gas Nitrided, 4.040 in. Bore, 0.047 in., 0.047 in. 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4042GFX

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Piston Wrist Pin, 0.990 in. Diameter, 2.930 in. Length, H13 Tool Steel, 0.225 in. Wall Thickness, Chamfered, Each

Part Number: TPD-H9902930225C

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Estimated Ship Date: Nov 11, 2025 if ordered today

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