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Mallory

Mallory A556 E-Spark Distributor with Mechanical Advance

Compatible with 1936-1969 Harley-Davidson® Big Twin. This product is not created or sold by Harley-Davidson®.

Part # A556 Be the first to write a review

Mallory A556 E-Spark Distributor with Mechanical Advance

Estimated Ship Date: 05/06/2025
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$677.95
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Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

See Emissions Details
The A556 utilizes a stock style mechanical advance unit combined with Mallory's rugged E-Spark optical module and billet shutter wheel. These distributors are compatible with both kick start and electric start applications and can be installed without any engine disassembly when used with stock cylinders and heads. Note: Must use carbon core spark plug wires, do not use copper core.

Features:

  • Billet Aluminum Construction
  • Can Be Installed Without Engine Disassembly
  • Rugged Mechanical Advance
  • Durable Mallory E-Spark Module
  • Made In The USA
Brand Mallory
Emission Code3
Product TypeDistributors
WarrantyManufacturer's Limited One Year (Except Parts Used in Competition are Limited 90 Day)
UPC743047115503
Manufacturer Part NumberA556
Part NumberA556
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This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Instruction Sheet for Part# A556
Troubleshooting Guide
Manufacturer's Limited One Year (Except Parts Used in Competition are Limited 90 Day): See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.