MSD Three Stage Retard Control - Adjustable 10000404 1968-1974 Chevrolet K20 Pickup

1968-1974 Chevrolet K20 Pickup

This is considered normal and is not a cosmetic defect

1991-1994 Oldsmobile Bravada

Rebuild kit for KSE Direct Drive Tandem Power Steering Pumps

Accurate Within 1deg

MSD Three Stage Retard Control - Adjustable 10000404 1968-1974 Chevrolet K20 PickupThe Three Stage Retard Control allows you to retard your ignition timing in three different stages. You can activate one retard for a nitrous stage and another at top end in high gear for more mph and still have another module left over for dual stage nitrous systems. When activated together, the retard amounts are cumulative so you get the total of the three. For example, if you pull 2, then 4 on the second stage and another 2 at top end, the total