1956 Engines & Components

Valve Cover Breather, Steel, Chrome Plated, Twist-OIn, 2.410 in. Diameter, Each

Part Number: SNN-MO64

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Valve Cover Breather, Steel, Chrome Plated, Push-In, 2.410 in. Diameter, Each

Part Number: SNN-MO61

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Belt, High Performance, V-Belt, 35.50 in. Length, 0.440 in. Width, Each

Part Number: DAC-15355

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Valve Cover Breather, Crankcase Push-In, 2.410 in. Diameter, 0.69 in. Diameter Port Tube, Steel, Silver Finish, Universal, Each

Part Number: SNN-MO70

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PISTON SET

Part Number: UEM-KB659C-010

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Estimated Ship Date: Dec 29, 2025 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: Dec 29, 2025 if ordered today

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

Part Number: UEM-KB263-STD

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Drain Plug, Magetic, 1/2 in.-20 Threads, for Oil Pans, Seal, Each

Part Number: TRD-9062

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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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Piston and Ring Kit, Hypereutectic, 3.467 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-030

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Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1608

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.442 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-005

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Piston and Ring Kit, Hypereutectic, 3.645 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-020

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: HSN-6482

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Pistons, Aluminum, Shovelhead Engine, 3.625 in. Bore, Harley-Davidson®, Pair

Part Number: UEM-KB928C-020

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Engine Accessories, 36-99 BIG TWIN, RELIEF VALVE SPRING

Part Number: SSY-31-6018

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Estimated Ship Date: Dec 15, 2025 if ordered today

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

Part Number: HSN-2M6482010

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Oil Pump Gaskets, Rebuild Kit, Harley-Davidson®, Kit

Part Number: SSY-31-6271

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Valve Guide, Manganese Bronze, + 0.010 in., Intake, Harley-Davidson®, Each

Part Number: KPM-20-2029M

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Valve Guide, Manganese Bronze, + 0.001 in., Intake, Harley-Davidson®, Each

Part Number: KPM-20-2021M

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Valve Guide, Manganese Bronze, Intake, Harley-Davidson®, Each

Part Number: KPM-20-2020M

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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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Valve Guide, Powersports, Bronze, Exhaust, Each

Part Number: KPM-20-2031

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Wrist Pin Bushing, Engine Builder Series, Bronze, Stock O.D., Harley-Davidson®, Each

Part Number: KPM-20-20580

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Valve, Exhaust, Stainless Steel, Harley-Davidson®, Each

Part Number: KPM-20-4195

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