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MSD's compact controller provides an adjustable start retard to help high compression engines crank over easily, plus has a single stage retard. The unit measures 2.75"x 2.37"x 1.25" and simply connects between the distributor and the MSD Ignition. Two rotary dials offer simple adjustments. Step retard can be adjusted 1° - 15° in single increments. Start retard is adjustable from 5°, 10°, 15°, 20°Perfect for high compression nitrous cars.
Features
Compatible with 4, 6 or 8-cylinder engines
Accepts points, amplifiers and mag pickup trigger signals