MSD Pro-Billet Chevy 90 V6 Even-Fire - 4.3L 74500010 1973-1993 Buick Century

1973-1993 Buick Century

Mandrel-bent 16 Gauge Stainless Steel Tubing

Steel O/S Oval Hd Fasteners 7/16" x

1970-1973 Mercury Montego Base CID 351 Naturally Aspirated GAS

Fire- retardant

MSD Pro-Billet Chevy 90 V6 Even-Fire - 4.3L 74500010 1973-1993 Buick CenturyStarting on the inside, a 0. 500" oversized steel shaft spins in a sealed ball bearing and sintered bushing for long endurance and accurate spark delivery throughout the entire rpm range. Mounted on top of the shaft is an easy to adjust chro moly mechanical advance assembly. Different advance springs and stop bushings are supplied so you can choose from 24 curves. a maintenance free magnetic pick up provides accurate trigger signals to your MSD