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HardDrive CV Vacuum Piston Assemblies

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HardDrive CV vacuum piston assemblies are the correct replacement parts for your HardDrive Constant Velocity carburetor. These piston assemblies, or slide assemblies, have the diaphragm installed, and will restore consistent fuel mixture and smooth throttle response across all positions. Service your HardDrive CV carburetor with their vacuum piston assemblies.

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HardDrive CV Vacuum Piston Assemblies 820-27502

Carburetor Component, CV Vacuum Piston Assembly, Keihin, CV40, Harley-Davidson®, Each

Part Number: HDD-820-27502

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

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