Pistons & Piston Rings

Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-030

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-020

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-030

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-STD

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit

Part Number: UEM-KB288-005

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-005

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-010

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Engine Piston, Kawasaki EX300 Ninja '13-17 12.5:1 CR

Part Number: WIS-40219M06600

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-005

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

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ProX Piston Kit Yam Wolverine RMAX2/4 '21-22

Part Number: PXR-01-2921-B

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 9.10;1 Compression Ratio, Kit

Part Number: UEM-KB264-005

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-020

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Estimated Ship Date: Jan 14, 2026 if ordered today

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ProX Piston Kit Gas-Gas MX/EC/XC250 '97-19 (66.35mm)

Part Number: PXR-01-7307-C

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Piston Wrist Pin Retainers, Retaining Clips, Wire Lock Type, Steel, 0.039 in. Thickness, 0.551 in. Wrist Pin Diameter, for use on Honda®, KTM, Pair

Part Number: WIS-CW14

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Estimated Ship Date: Jan 5, 2026 if ordered today

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ROUND WIRE PIN LOCKS 17MM (PAIR)

Part Number: WIS-CW17

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Piston Pin Lock Rings, Round Wire, 0.905 in. Pin, Pair

Part Number: WIS-CW23

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Piston Wrist Pin Retainers, Retaining Clips, Wire Lock Type, Steel, 0.039 in. Thickness, 0.630 in. Wrist Pin Diameter, for use on Honda®, KTM, Pair

Part Number: WIS-CW16

5.0 out of 5 stars ( 1 )

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Piston Pin, Steel, Tapered, 15.00mm x 47.00mm, Each

Part Number: WIS-S632

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston Pin, Steel, Tapered, 15.00mm x 41.00mm, Kawasaki, Each

Part Number: WIS-S635

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Estimated Ship Date: Jan 5, 2026 if ordered today

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ProX Piston Kit CR125 '88-91 (53.93mm)

Part Number: PXR-01-1208-A

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Estimated Ship Date: Dec 31, 2025 if ordered today

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ProX Piston Kit KX100 '95-13 (52.45mm)

Part Number: PXR-01-4195-A

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Estimated Ship Date: Dec 31, 2025 if ordered today

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ProX Piston Pin 15 x 45.00mm KTM125

Part Number: PXR-04-1545

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Powersports Thrust Washers, Crankshaft, Copper, for use on Honda®, KTM, Polaris, Each

Part Number: PXR-03W-35551-0

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Estimated Ship Date: Dec 31, 2025 if ordered today

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