HARLEY-DAVIDSON FXST SOFTAIL STANDARD Pistons & Piston Rings

Piston and Ring Kit, Forged Aluminum, 3.507 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4730P1

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Piston Rings, Chrome, 3.937 in. Bore, Harley-Davidson®, Set

Part Number: WIS-10000XY

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Piston and Ring Kit, Forged Aluminum, 3.885 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4999P1

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Piston Rings, Moly, 3.518 in. Bore, Buell, Harley-Davidson®, Set

Part Number: WIS-3517X

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Piston and Ring Kit, Forged Aluminum, 3.497 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4970PS

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Piston and Ring Kit, Forged Aluminum, 3.885 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4994P1

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Piston and Ring Kit, Forged Aluminum, 3.750 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4995PS

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Piston Rings, Moly, 3.503 in. Bore, Harely Davidson®, Set

Part Number: WIS-3504X

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Piston and Ring Kit, Forged Aluminum, 4.000 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4918PS

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Piston and Ring Kit, Forged Aluminum, 4.000 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4925PS

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Piston Rings, Gas Nitrided, 3.885 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3885VM

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Piston Rings, Gas Nitrided, 3.895 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3895VM

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Piston Rings, Gas Nitrided, 3.750 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3750VM

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Piston Rings, Moly, 3.625 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3625X

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Piston Rings, Moly, 3.537 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3537X

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Piston, V-Twin, Forged Aluminum, 3.895 in. Bore, Harley-Davidson®, Kit

Part Number: UEM-KB660C-020

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Piston and Ring Kit, Forged, 3.880 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-005

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Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-020

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Piston and Ring Kit, Forged, 3.915 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-040

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Piston and Ring Kit, Forged, 3.885 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-010

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Piston and Ring Kit, Forged, 4.005 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB913C-005

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Piston and Ring Kit, Forged, 4.020 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB914C-020

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Piston and Ring Kit, Forged, 4.000 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB914C-STD

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Piston and Ring Kit, Hypereutectic, 3.905 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-030

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-040

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