HARLEY-DAVIDSON Pistons & Piston Rings

Piston and Ring Kit, Forged Aluminum, 3.517 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4729P2

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Estimated Ship Date: May 27, 2026 if ordered today

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Piston Rings, X, Moly, 3.437 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3437X

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Engine Piston, Tracker Series1340 EVO Flat Top 8.5:1 CR

Part Number: WIS-40215P3

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Piston and Ring Kit, Forged Aluminum, 3.208 in., Harley-Davidson®, Kit

Part Number: WIS-4011P2

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Piston and Ring Kits, Black Edition V-Twin Piston Kits, 4.016 in. Bore, Forged Aluminum, Rings, Harley-Davidson®, Kit

Part Number: WIS-40250PS

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Engine Piston, Tracker Series Sprtstr 883-1200 9.5:1 CR

Part Number: WIS-40212P2

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Engine Piston, Tracker Series HD TC88 to 95cid 9.5:1 CR

Part Number: WIS-40207PS

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Piston Rings, X, Moly, 3.198 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3198X

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Piston Rings, Gas Nitrided, 4.125 in. Bore, Harley-Davidson®, Set

Part Number: WIS-4125VM

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Piston Rings, X, Moly, 3.447 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3447X

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

Part Number: WIS-3504X

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Piston Rings, X, Moly, 3.498 in. Bore, Buell, Harley-Davidson®, Set

Part Number: WIS-3497X

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Estimated Ship Date: May 27, 2026 if ordered today

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Piston and Ring Kits, Powersports, Black Edition V-Twin Piston Kits, 4.075 in. Bore, Rings, Harley-Davidson®, Kit

Part Number: WIS-K2804

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Piston and Ring Kits, Powersports, Black Edition V-Twin Piston Kits, 4.125 in. Bore, Rings, Harley-Davidson®, Kit

Part Number: WIS-K2799

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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: Jun 4, 2026 if ordered today

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

Part Number: UEM-KB905C-030

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Piston and Ring Kit, Forged, 4.145 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB912C-020

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Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB917C-010

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Piston Set, KB Forged Coated Piston - Shovelhead Hemi Dome -58.2cc 88-98ci 1948-84 ROD -7.440

Part Number: UEM-KB930C030

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Piston and Ring Kit, Forged, 3.508 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB924C-010

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Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB918C-010

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Piston Set, KB Forged Coated Piston - Knuckle Pan Shovel Hemi Dome -47.6cc 74ci FL, FLH, FX 1941-79

Part Number: UEM-KB931C005

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-040

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-005

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit

Part Number: UEM-KB272-040

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Estimated Ship Date: Jun 4, 2026 if ordered today

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