The A557 utilizes a fully adjustable electronic ignition module pre-programmed with 14 different advance curves and rev limits. These electronic advance 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:
- 14 Pre-Programmed Advance Curves
- Billet Aluminum Housing
- Easy Installation
- Dual And Single Fire Compatible
- Made In The USA
Holley Performance Emission Code 3: 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
