MSD DIS-4 Ignition Control Module (03-06 5.7L, 8.0L RAM 3500)Find parts that fit my vehicle

Description. DIS-4 is capable of firing up to four coil packs or four individual coils. Each control delivers full power capacitive discharge sparks from idle through racing rpm. Below 3,000 rpm there is a series of multiple sparks that last for up to 20 degrees of crankshaft rotation to improve idle, starting and throttle response. The adjustable features of the DIS ignitions have also been upgraded with rotary dials. These provide easier, and more precise adjustments of the overrev limiter and the hole shot rev limit. Also, there is now a step retard that can be wired directly to a nitrous system or switch for activation. For use on 6 or 8 cylinder engines with two, three or four coil packs.

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