The DIS ignitions all deliver a stout, CD spark that is capable of burning the majority of air and fuel mixtures. There are of course exceptions, such as full bred race engines running high boost pressures from turbos, blowers or nitrous. To answer these needs, we offer a higher output version of the DIS ignition controls. The DIS plus HO ignitions produce an incredible 170 millijoules of spark energy with 470 primary volts. This increased output will light up fuel mixtures even under extreme cylinder pressures. The DIS-HO boxes are not carb approved and are designed for drag racing applications only.
- Two Adjustable Rev Limits
- Diagnostic LED
- Adjustable retard stage
- Ignition Interrupt Circuit
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
About MSD Ignition
Your performance electronic source for ignitions, coils, distributors, timing controls, spark plug wires, starters and electronic fuel injection.
Ask a question about
MSD DIS-4 HO Ignition Controller 62153: