Dodge Big Block DUI Distributor

$395.00$485.00

The DUI Advantage

  • Internal Coil and Module
  • One Wire Hookup
  • Custom Advance Curve
  • Street/Strip Version – Up To 7000 RPM's
  • Racing Version – Up to 10,000 RPM's
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Description

Add some serious firepower to your Dodge Big Block by installing our DUI Distributor! The all in one DUI (Davis Unified Ignition) has everything you need for the ignition system in one simple unit. No external coils, modules or spark boxes are needed! Just one 12 volt hot wire connected to the DUI will send 50,000 volts of pure spark energy to the plugs and fire the cylinders like never before. Increased horsepower, torque and fuel mileage along with quicker starting and smoother idle are the benefits of installing the DUI. These gains are made by the high performance coil and module and custom tuning of the advance weights and springs . The high voltage coil allows spark plug gaps to be opened up to a massive .055″. The dwell in our Dyna-Module has been increased electronically to allow the coil to produce a longer duration spark. The combination of the large gap and longer spark provide the most complete combustion of the fuel mixture possible. A special weight and spring assembly is hand fitted and dialed-in using a distributor machine for a precise timing curve that will match the specifications of your engine and vehicle. The super smooth advance provides instant throttle response and maximum power throughout the rpm range with no pre-detonation. The optional ITK (Instant Timing Knob) will allow you to make fine tuning adjustments without repositioning the distributor. A simple twist of the knob will let you advance or retard the timing as much as 6° depending on the engines needs. For street/strip applications, use the ITK to add timing at the track when using race gas. For towing, use the ITK to retard timing when pulling heavy loads. The ITK option replaces the vacuum advance canister. Vacuum advance is an available option on the Street/Strip version but due to space limitations may need to be eliminated for clearance. The Dodge Big Block DUI is based on the HEI (High Energy Ignition) system and although it is uniquely designed, replacement parts can be found at any local auto parts store. Installation for the hot wire and tachometer are made simple with the included connectors. The DUI Distributor is precision built and unsurpassed in quality. It is the original one-piece ignition system for Dodge Big Blocks!

Please note that DUI Distributors may not be ready for immediate shipping. The attention to quality and detail requires us to build each unit per order, and due to this process orders can take several days to complete before shipping out. During our busy season (March-September), build times can take slightly longer.

DIMENSIONS: The DUI measures 14″ from the hold down clamp to the top of the cap. The diameter of the distributor cap is 5 1/4″. This unit will not clear Mopar Performance valve covers without modification to the covers. Due to the height of the distributor, the big block DUI will not fit a 62 Plymouth, 67 GTX, 68 Coronet or 69 Charger. If you have one of these vehicles, please consider our Dodge Tri-Power Ignition System. The Street/Strip version has a one year warranty. Racing version has a 30 day warranty.

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Dodge Big Block DUI

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