HARLEY-DAVIDSON Pistons & Piston Rings

Piston and Ring Kit, Hypereutectic, Dome, 3.487 in. Bore, Harley-Davidson®, Kit

Part Number: UEM-KB263-STD

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.2mm, 2.5mm Thickness, L2, V2, Set

Part Number: HSN-2M5299

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Powersports Piston, Forged 4032 Alloy, Line2Line Coating, 3.937 in. Bore, 1.086 in. Comp. Ht, Dome, +1.6cc, Standard Size, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB714LCA-STD

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Piston and Ring Kit, Forged, Dome, 3.875 in. Bore, Harley-Davidson®, V2, Kit

Part Number: UEM-KB905C-STD

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-040

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Estimated Ship Date: Mar 11, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.457 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-020

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.635 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-010

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Piston Set, KB Forged Coated Piston - Shovelhead Hemi Dome -42.3cc 88-98ci 1948-84 ROD -7.440

Part Number: UEM-KB928CSTD

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Engine Piston, Tracker Series 1340 EVO Domed 10:1 CR

Part Number: WIS-40216P1

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-010

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Piston and Ring Kit, Hypereutectic, 3.875 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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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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Estimated Ship Date: Mar 2, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.885 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB909C-010

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Estimated Ship Date: Mar 11, 2026 if ordered today

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Piston Rings, Piston Ring Sets, Standard Size, 3.498 in. Bore, Phosphate Coated, 1/16 in., 1/16 in., 5/32 in. Ring Thickness, L2, V2, Pair

Part Number: HSN-6164

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Engine Piston Set, HD 1340 EVO KIT (3517X-4726/4727P2

Part Number: WIS-K1693

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.507 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-080

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Estimated Ship Date: Today

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PISTON SET

Part Number: UEM-KB659C-010

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Estimated Ship Date: Mar 12, 2026 if ordered today

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

Part Number: HSN-2M4916

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.875 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, L2, V2, Set

Part Number: HSN-2M4941

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Estimated Ship Date: Today

Engine Piston Set, Tracker Series 1340 EVO Domed 10:1 CR

Part Number: WIS-K0216PS

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.000 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-STD

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.020 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-020

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Estimated Ship Date: Mar 11, 2026 if ordered today

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Piston and Ring Kit, Forged, Coated, Dome, 3.518 in. Bore, Offset Pin, Harley-Davidson®, V-Twin, Kit

Part Number: UEM-KB927C-020

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.447 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-010

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-005

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Estimated Ship Date: Mar 11, 2026 if ordered today

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