Pistons & Piston Rings

ONE HALF KEYSTONE RING - 1.2MM

Part Number: WIS-8400KG

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Piston Rings, XS, Chrome, 96.500mm Bore, Yamaha, Set

Part Number: WIS-9650XS

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Estimated Ship Date: Dec 19, 2025 if ordered today

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97.0mm bore Ring Set

Part Number: WIS-9700VA

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

Part Number: WIS-9900XS

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Piston Rings, Chrome, 40.00mm, Yamaha, Set

Part Number: WIS-1574CD

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Piston Rings, Chrome, 40.25mm, Yamaha, Set

Part Number: WIS-1585CD

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Piston Rings, Chrome, 40.50mm, Polini, Set

Part Number: WIS-1594CD

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Piston Rings, Chrome, 40.75mm, Yamaha, Set

Part Number: WIS-1604CD

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Piston Rings, Chrome, 41.00mm, Cobra, Kawasaki, KTM, LEM, Suzuki, Yamaha, Set

Part Number: WIS-1614CD

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Piston Rings, Chrome, 41.50mm, Kawasaki, Suzuki, Yamaha, Set

Part Number: WIS-1634CD

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Piston Rings, Chrome, 42.00mm, Kawasaki, Suzuki, Yamaha, Set

Part Number: WIS-1654CD

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Piston Rings, Chrome, 42.50mm, Kawasaki, Suzuki, Set

Part Number: WIS-1674CD

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Piston Rings, Chrome, 46.50mm, Kawasaki, Suzuki, Set

Part Number: WIS-1830CD

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Piston Rings, Chrome, 47.00mm, Kawasaki, Set

Part Number: WIS-1850CD

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Piston Rings, Chrome, 47.00mm, for use on Honda®, Yamaha, Set

Part Number: WIS-1850XE

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Estimated Ship Date: Dec 19, 2025 if ordered today

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47.25 MM RING SET

Part Number: WIS-1860CD

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Piston Rings, Chrome, 47.50mm, Yamaha, Set

Part Number: WIS-1869CD

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48.25 MM RING SET

Part Number: WIS-1900CD

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Piston Rings, Chrome, 48.50mm, Kawasaki, Yamaha, Set

Part Number: WIS-1909CD

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Piston Rings, XC Series, 3.250 in. Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-3250XC

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Wrist Pin, .866 in. Diameter, 2.500 in.Length, 100 Grams, Chamfered Ends, Each

Part Number: JEP-86625001595C

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Wrist Pin, .927 in. Diameter, 2.750 in.Length, 126 Grams, Square Ends, Each

Part Number: JEP-92727501593S

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, Gas Nitrided, 95mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-9500XX

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Wrist Pin, .927 in. Diameter, 2.950 in.Length, 135 Grams, Chamfered Ends, Each

Part Number: JEP-92729501593C

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Ring Set, This Item Is Not Painted, Metal, Use Existing Hardware

Part Number: CWA-941887

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Estimated Ship Date: Feb 12, 2026 if ordered today

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