1956 Engines & Components

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

Part Number: SNN-MO64

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: SNN-MO61

Not Yet Reviewed

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

PISTON SET

Part Number: UEM-KB659C-010

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB263-020

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: DAC-15355

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: UEM-KB263-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: TRD-9062

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: UEM-KB928CSTD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB263-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: WIS-K1608

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB263-005

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB294-020

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HSN-6482

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: UEM-KB928C-020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SSY-31-6018

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HSN-2M6482010

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: SSY-31-6271

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: KPM-20-2029M

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: KPM-20-2021M

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: KPM-20-2020M

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: UEM-KB294-010

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Valve Guide, Powersports, Bronze, Exhaust, Each

Part Number: KPM-20-2031

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: KPM-20-4195

Not Yet Reviewed

Estimated Ship Date: Today

Valve Guide, Bronze, Intake, 0.375 in. Inside Diameter, + 0.001 in. Outside Diameter, Harley-Davidson®, Each

Part Number: KPM-20-2021

Not Yet Reviewed

Estimated Ship Date: Today