MSD Ignition Start And Step Timing Retard Control Features: Easily Set A Start Retard And S Step Retard Improves Cranking On Engines w/Locked Out Timing Single Stage Of Retard Adjusted With Rotary Dials Must Be Used With MSD 6/7/8-Series Ignitions Connects To Magnetic Pickups Or Points Works On 4/6/8 Cylinder Engines Height: 5.00 Width: 1.50 Length: 3.50 Weight: 0.50 lbs Vehicle Type: 2698 Fitment: UNIVERSAL 0 - 0 NON APPLICATION SPECIFIC
