Pistons & Piston Rings

Piston Pin, Steel, Tapered, 16.00mm x 40.00mm, Each

Part Number: WIS-S677

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston Pin, Steel, Chrome, Tapered, 19.00mm x 45.00mm, Each

Part Number: WIS-S682

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Piston Wrist Pin, Powersports, Straight, Steel, 16.00mm Diameter, 41.500mm Length, Each

Part Number: WIS-S686

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Piston Pin, Steel, Straight, 20.10mm x 55.88mm, Each

Part Number: WIS-S693

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Piston Pin, Steel, Tapered, 22.00mm x 60.96mm, Arctic Cat, Polaris, Each

Part Number: WIS-S694

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Piston Pin, Tool Steel, Straight, 20.00mm x 60.00mm, Kawasaki, Suzuki, Each

Part Number: WIS-S698

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Piston Wrist Pins, 5115 Steel, 0.748 in. Diameter, 2.500 in. Length, 109 grams, Each

Part Number: WIS-S707

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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, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4005H

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Piston Rings, Plasma-moly, 3.796 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-3796H

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 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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AUTOMOTIVE RING (1 SET FOR 1 PSTN)

Part Number: WIS-3935H

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3.940" AUTO RING (1 SET FOR 1 PSTN)

Part Number: WIS-3940H

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3.630 " SEMI KEYSTONE RING

Part Number: WIS-3630KA

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3.655" SEMI KEYSTONE RING

Part Number: WIS-3655KA

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39.00MM CS RING

Part Number: WIS-1535CS

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39.0mm Ring

Part Number: WIS-1535CSM

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Piston Ring, Chrome, 39.50mm, KTM, Each

Part Number: WIS-1555CS

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40.00MM RING SET

Part Number: WIS-1574CS

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Piston Ring, Chrome, 40.20mm, Polini, Each

Part Number: WIS-1585CS

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ProX Big End Pin 18x41.90mm KTM65SX '03-08 Hollow

Part Number: PXR-06-1842

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Estimated Ship Date: Oct 2, 2025 if ordered today

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ProX Big End Pin 18x43.30mm YZ65 '18-22

Part Number: PXR-06-1843-3

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Estimated Ship Date: Oct 2, 2025 if ordered today

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