MSD Start and Step Timing Retard Control - Digitally Controlled LK22373 1983-1990 GMC S15 Jimmy

1983-1990 GMC S15 Jimmy

GM A-Body 1070-72

Xtreme 4 x 4

pure butyl

Muscle Mount

MSD Start and Step Timing Retard Control - Digitally Controlled LK22373 1983-1990 GMC S15 JimmyThis 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. 75x 2. 37x 1. 25 and simply connects between the distributor and the MSD Ignition. Two rotary dials offer simple adjustments. MSD Start and Step Timing Retard Control 8987 Digitally Controlled Easily Set A Start Retard And S Step Retard Improves Cranking On Engines w Locked Out Timing