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

Part Number: WIS-4130H

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3MM OIL RING ONLY (4.153" - 4.162")

Part Number: WIS-4160F

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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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Ring Set- 4.290" x 1/16x1/16x3/16"

Part Number: WIS-4290H

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Piston Ring, Top Ring, Gas Nitrided, 4.057 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4057FTX

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 50.00mm Length, Each

Part Number: WIS-S255

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 52.00mm Length, Each

Part Number: WIS-S256

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Piston Wrist Pin, Powersports, Tapered, Steel, 18.00mm Diameter, 56.00mm Length, Each

Part Number: WIS-S257

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 56.00mm Length, Each

Part Number: WIS-S259

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 47.00mm Length, Each

Part Number: WIS-S270

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Piston Wrist Pin, Powersports, Straight, Steel, 16.00mm Diameter, 57.00mm Length, Each

Part Number: WIS-S271

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Piston Wrist Pin, Powersports, Tapered, Steel, 18.00mm Diameter, 58.50mm Length, Each

Part Number: WIS-S272

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Piston Wrist Pin, Powersports, Tapered, Steel, 18.00mm Diameter, 65.50mm Length, Each

Part Number: WIS-S277

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Wrist Pin

Part Number: WIS-S278

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Piston Wrist Pin, Powersports, Tapered, Steel, 18.00mm Diameter, 54.99mm Length, Each

Part Number: WIS-S280

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Piston Wrist Pin, Powersports, Tapered, Steel, 14.00mm Diameter, 41.00mm Length, Each

Part Number: WIS-S288

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Piston Wrist Pin, Powersports, Tapered, Steel, 18.00mm Diameter, 60.00mm Length, Each

Part Number: WIS-S343

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Piston Wrist Pin, Powersports, Straight, Steel, 19.00mm Diameter, 63.50mm Length, Each

Part Number: WIS-S376

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Piston Wrist Pin, Powersports, Straight, Steel, 14.00mm Diameter, 48.00mm Length, Each

Part Number: WIS-S394

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Piston Wrist Pin, Powersports, Straight, Steel, 20.00mm Diameter, 82.00mm Length, Each

Part Number: WIS-S414

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Piston Wrist Pin, Powersports, Straight, Steel, 22.00mm Diameter, 54.00mm Length, Each

Part Number: WIS-S419

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Piston Pin, Steel, Chrome, Straight, 23.00mm x 57.15mm, for use on Honda®, Polaris, Yamaha, Each

Part Number: WIS-S724

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Piston Wrist Pins, 5115 Steel, 0.812 in. Diameter, 2.500 in. Length, 94 grams, Each

Part Number: WIS-S730

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Piston Pin, Steel, Chrome, Straight, 14.00mm x 36.50mm, for use on Honda®, Husqvarna, Each

Part Number: WIS-S737

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