Pistons & Piston Rings

40.00MM RING SET

Part Number: WIS-1574CS

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Piston Ring, Chrome, 40.20mm, Polini, Each

Part Number: WIS-1585CS

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41.00 MM RING SET

Part Number: WIS-1614CS

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Piston Ring, Chrome, 41.50mm, KTM, Each

Part Number: WIS-1634CS

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42.00 MM RING SET

Part Number: WIS-1654CS

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42.72mm CS Single Ring

Part Number: WIS-1682CS

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44.00 MM RING SET

Part Number: WIS-1732CS

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Engine Piston Ring, 3.5 Back-Notched Semi-Keystone Ring

Part Number: WIS-8890KG

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WRIST PIN EACH

Part Number: MAN-42221-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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SPACER-86mm-86.5mm BORE

Part Number: MAN-462459-4

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Ring Groove Lock Spacers, 87mm Bore, Set of 4

Part Number: MAN-462460-4

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Estimated Ship Date: Dec 15, 2025 if ordered today

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SPACER-85mm-85.5mm BORE

Part Number: MAN-462458-4

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Wrist Pins, 5115 Steel, 0.975 in. Diameter, 2.930 in. Length, 148 grams, Each

Part Number: WIS-S490

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Piston Wrist Pin, Powersports, Straight, Steel, 24.00mm Diameter, 76.00mm Length, Each

Part Number: WIS-S493

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Piston Pin, Steel, Straight, 19.90mm x 56.00mm, Yamaha, Each

Part Number: WIS-S504

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Piston Pin, Steel, Tapered, 17.00mm x 46.18mm, Each

Part Number: WIS-S507

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Piston Pin, Steel, Straight, 17.46mm x 74.50mm, Each

Part Number: WIS-S509

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Piston Pin, Steel, Straight, 14.29mm x 46.00mm, Each

Part Number: WIS-S510

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Piston Pin, Steel, Tapered, 20.00mm x 60.00mm, Each

Part Number: WIS-S512

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Piston Pin, Steel, Tapered, 16.00mm x 44.50mm, Kawasaki, Yamaha, Each

Part Number: WIS-S514

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Piston Pin, Steel, Tapered, 14.00mm x 38.35mm, for use on Honda®, KTM, Suzuki, Yamaha, Each

Part Number: WIS-S517

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Piston Pin, Steel, Straight, 18.05mm x 53.75mm, Mercury, Each

Part Number: WIS-S518

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Piston Pin, Steel, Tapered, 23.06mm x 70.00mm, Yamaha, Each

Part Number: WIS-S519

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Piston Pin, Steel, Chrome, Tapered, 20.00mm x 60.00mm, for use on Honda®, Kawasaki, Suzuki, Yamaha, Each

Part Number: WIS-S520

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Piston Pin, Steel, Chrome, Straight, 20.10mm x 66.00mm, Harley-Davidson®, Each

Part Number: WIS-S521

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