Distributorless Tach Driver - 8913 tie-rods-and-linkages 3 V8 1963 - 1969

3 V8 1963 - 1969 Chevrolet Bel Air 427/7 V8 1965 - 1973 Chevrolet Bel Air 250/4

7 V8 1977 - 1986 Chevrolet C20 305/5 V8 1979 - 1987 GMC G1500 350/5

First off let's talk function

1962-1968 AC Shelby Cobra

Distributorless Tach Driver - 8913 tie-rods-and-linkages 3 V8 1963 - 1969Overview: Ever wonder how you can install an aftermarket tachometer on a vehicle with no distributor and multiple coil packs? MSD has the answer with the Distributorless Tach Driver! The compact Tach Driver measures only 1. 5" x 3. 5" x 2" and is potted with a polyurethane compound for vibration and water protection so it can easily be mounted under the hood. It wires inline on the coils' 12 volt supply wire where it senses the current going through