HARLEY-DAVIDSON Pistons & Piston Rings

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

Part Number: UEM-KB931C080

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Estimated Ship Date: May 22, 2026 if ordered today

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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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Estimated Ship Date: May 22, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-030

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.900 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB906C-020

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Estimated Ship Date: May 22, 2026 if ordered today

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Powersports Piston, Forged 4032 Alloy, Coated, 3.467 in. Bore, 1.450 in. Comp. Ht, Hemi Dome, -47.6cc, 0.030 in. Oversize, 0.791 in. Pin, Harley®, Set

Part Number: UEM-KB931C030

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-010

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Estimated Ship Date: May 22, 2026 if ordered today

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Engine Piston Ring Set, 2-Cyl Ring Set; Phosphate

Part Number: HSN-6482020

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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; Phosphate

Part Number: HSN-6482010

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Estimated Ship Date: Apr 30, 2026 if ordered today

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

Part Number: UEM-KB924C-STD

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-020

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Estimated Ship Date: May 22, 2026 if ordered today

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Engine Piston Ring Set, 2-Cyl Ring Set; Phosphate

Part Number: HSN-6164020

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Estimated Ship Date: Apr 30, 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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Estimated Ship Date: Apr 30, 2026 if ordered today

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

Part Number: HSN-2M6482S070

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Estimated Ship Date: Apr 30, 2026 if ordered today

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

Part Number: HSN-2M6482S010

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Estimated Ship Date: Apr 30, 2026 if ordered today

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

Part Number: HSN-2M6164S010

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Estimated Ship Date: Apr 30, 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 27, 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 27, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-030

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Estimated Ship Date: May 27, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.920 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB906C-040

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Estimated Ship Date: May 27, 2026 if ordered today

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