HARLEY-DAVIDSON Pistons & Piston Rings

Piston and Ring Kit, Forged, 4.010 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-010

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.005 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB914C-005

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Estimated Ship Date: May 21, 2026 if ordered today

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Powersports Piston, Forged 4032, 2-Line Coated, 4.020 in. Bore, 1.086 in. Comp. Ht, Dome, -5.1cc, 0.020 in. Oversize, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB661LCA020

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-STD

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Estimated Ship Date: May 21, 2026 if ordered today

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

Part Number: UEM-KB912C-010

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.498 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-STD

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.498 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB923C-STD

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.508 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB923C-010

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Forged, Flat Top, 3.508 in. Bore, Offset Pin, Harley-Davidson®, V-Twin, Kit

Part Number: UEM-KB919C-010

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.125 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB910C-STD

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Estimated Ship Date: May 21, 2026 if ordered today

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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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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit

Part Number: UEM-KB348-040

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Estimated Ship Date: May 21, 2026 if ordered today

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

Part Number: UEM-KB414-030

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit

Part Number: UEM-KB295-040

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-STD

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-005

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Estimated Ship Date: May 21, 2026 if ordered today

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

Part Number: WIS-40207P1

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Estimated Ship Date: May 11, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 3.498 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4718PS

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Estimated Ship Date: May 11, 2026 if ordered today

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Engine Piston Ring Set, 1-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4953

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M6164005

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4805

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M6482S070

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M6482S010

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-6127S020

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Engine Piston Ring Set, 1-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4917040

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Estimated Ship Date: Apr 30, 2026 if ordered today

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