MSD Ignition 8464 Distributor Advance Kit
This MSD distributor advance kit are the same kit that come with your MSD distributor. The kits include an assortment of springs, advance limit bushings and a mechanical advance lockout screw.  MSD Ignition warrants its products to be free from defects in material and workmanship under normal use, if properly installed, for a period of one year from the date of purchase.