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D.U.I. Performance Distributors! V8 Scout, Scout II, Pickup Travelall

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International Scout owners have almost been totally ignored by the performance ignition manufacturers…….. until now. is proud to offer the D.U.I. (Davis Unified Ignition) distributor for International V8 engines! The D.U.I. is a one-piece ignition system that incorporates the coil and module inside the distributor. Only one 12 volt hot wire is needed for hookup. The D.U.I. features a 50,000 volt coil and the high dwell Dyna Module. These components work together to produce a longer duration spark that is strong enough to fire a massive .055″ spark plug gap! The larger plug gap burns the fuel mixture more completely, leading to more power, better fuel efficiency and cleaner spark plugs. The D.U.I. allows FULL voltage into the ignition system so no ballast resistor is required. Every D.U.I. is hand assembled to exact tolerances – no mass production. Each unit is calibrated on a Sun Distributor Machine with a super smooth advance curve to provide instant throttle response, more power and eliminate engine damaging detonation. A non-adjustable vacuum advance is also utilized to compliment the mechanical advance for the best drive ability. No trial and error for you, the D.U.I. is ready to drop in and run when you receive it!

Performance Distributors International D.U.I. is built for durability and longevity. The unit features upper and lower oil impregnated bronze bushings, high strength aluminum housing and solid steel main shaft. With the internal electronic components, the D.U.I. is virtually mud and water proof, making it ideal for off-road conditions.

Simple One Wire Hookup
Internal Coil and Module
Water, Mud & Vibration Proof
Allows for Wider Plug Gaps

Fits 266-304-345-392 CID

Due to the large size of the DUI, a modified thermostat housing must be used which is included with the distributor. The vacuum advance may need to be removed if adequate space is not available. This can be done using the enclosed vacuum advance eliminator plate.The International DUI is covered by a one year warranty from date of purchase.


Additional information

Cap Color

Black, Blue, Clear, Red, Yellow


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Scout, Traveler, Terra and Travelall are trademarks of the Navistar International Truck & Engine Corporation. Their use has been licensed under Scout/Light Line Distributors, Inc. - is a Scout/Light Line Authorized Dealer.