The Pertronix HO-181 Ignitor is a points-to-electronic ignition conversion kit for V8 engines using the Holley/IHC 428xxx to 519xxx series 8-cylinder distributor, including the International Scout II. It replaces the points and condenser with a self-contained magnetic-trigger module for reliable starting and a stronger spark. The kit runs on a 12-volt negative-ground system and installs inside the original distributor.
- Type: Pertronix Ignitor points-to-electronic ignition conversion kit
- Trigger: Magnetic trigger
- Voltage: 12 volt
- Ground: Negative ground
- Cylinders: 8
- Fits: Holley / IHC 428xxx-519xxx series 8-cylinder distributor
- Sold as: Complete kit
- Part number: HO-181
Vehicle Applications
- 1976-1977 International Scout II (V8, 5.0L/304 cu in)
Fits Holley and IHC 428xxx-519xxx series 8-cylinder distributors (clockwise); verify against the Pertronix fitment list.
FAQ
What does the Pertronix HO-181 Ignitor kit do?
It converts the original breaker-point ignition to electronic. The Ignitor replaces the points and condenser inside the existing distributor with a self-contained magnetic-trigger module, so the engine starts more reliably, holds timing better, and needs no points to clean, gap or replace.
What does the Pertronix HO-181 fit?
It is designed for Holley / IHC 428xxx-519xxx series 8-cylinder distributor. Fitment is determined by the distributor, so check your distributor against the Pertronix fitment list before ordering.
What electrical system does the HO-181 require?
It is built for a 12 volt negative ground system. Confirm your vehicle matches this voltage and ground polarity, because Ignitor kits are voltage and ground specific.
Does the HO-181 need any maintenance or a special coil?
No routine maintenance is required once installed, and there are no points to re-gap. It works with the vehicle's existing coil or a compatible Pertronix Flame-Thrower coil that matches the system voltage.

