Pistons & Piston Rings

Piston Rings, Plasma-moly, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4125H

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.102 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4125HF

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4.000" x 1/16x1/16x3/16" Set*

Part Number: WIS-4000R

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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 Rings, Phosphate Coated, 96.77mm Bore, 2 Ring Piston, 1.0mm, 2.0mm Thickness, Single Piston, Set

Part Number: WIS-9677YE

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Piston Rings, Phosphate Coated, 97.50mm Bore, 1.2mm, 1.5mm, 2.0mm Thickness, Single Piston, Set

Part Number: WIS-9750VF

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Piston Rings, Phosphate Coated, 98mm Bore, 1.2mm, 1.5mm, 2.0mm Thickness, Single Piston, Set

Part Number: WIS-9800VF

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Piston Rings, XS, Chrome, 99.000mm Bore, for use on Honda®, Set

Part Number: WIS-9900XS

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Piston Rings, Gas Nitrided, 99.50mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-9950XX

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Piston Rings, XX Piston Ring Sets, 3.927 in. Bore, Gas Nitrided, Ring Set Fits One Single Cylinder, 1 Set

Part Number: WIS-9975XX

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76.0mm Ring Set - .8 x 1.5mm

Part Number: WIS-7600MC

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Piston Rings, XX Piston Ring Sets, 3.002 in. Bore, Ring Set Fits One Single Cylinder, 1 Set

Part Number: WIS-7625XX

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Piston Rings, XX Piston Ring Sets, 3.012 in. Bore, Ring Set Fits One Single Cylinder, 1 Set

Part Number: WIS-7650XX

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76.8mm Ring Set - .8 x 1.5mm

Part Number: WIS-7680MC

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77.0mm Ring Set - .8 x 1.5mm

Part Number: WIS-7700YG

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Piston Rings, Gas Nitrided, 77.50mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-7750XX

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Piston Rings, YD, Gas Nitrided, 88.000mm Bore, Husaberg, KTM, Set

Part Number: WIS-8800YD

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Piston Pin, Steel, Chrome, Straight, 18.00mm x 47.00mm, Can-Am, Yamaha, Each

Part Number: WIS-S600

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Piston Pin, Steel, Chrome, Straight, 19.05mm x 63.50mm, Each

Part Number: WIS-S604

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Piston Wrist Pin, Powersports, Straight, Steel, 10.00mm Diameter, 32.90mm Length, Each

Part Number: WIS-S630

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Piston Wrist Pin, Powersports, Tapered, Steel, 20.00mm Diameter, 60.00mm Length, Each

Part Number: WIS-S631

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Piston Pin, Steel, Straight, 12.00mm x 31.01mm, Polini, Yamaha, Each

Part Number: WIS-S634

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Piston Pin, Steel, Straight, 16.00mm x 44.00mm, Each

Part Number: WIS-S637

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Piston Pin, Steel, Straight, 22.00mm x 63.50mm, Each

Part Number: WIS-S640

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Piston Pin, Steel, Tapered, 20.00mm x 65.00mm, Kawasaki, Polaris, Ski-Doo, Each

Part Number: WIS-S650

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