For Ford enthusiasts that are serious about performance, these Billet Distributors have precision tolerances, high strength and incredible endurance. Just under the brass terminals of the MSD cap and rotor is an easyto-adjust mechanical advance assembly. The assembly is fine blanked from chrome moly steel, tig welded for strength plus receives a QPQ coating. The precision weights glide on nylon bushings for smooth advancement and different springs and stop bushings are supplied so a variety of advance curv NOTE: Must be used with an MSD 6, 7, 8 or 10 Series Ignition. Supplied with cap and rotor. NOTE: PN 8580 will not clear some factory style Shaker Hood Scoops. 8580$232.99 Don't see what you want? .......... Need help? Or, IF THERE IS NO ORDER BUTTON AVAILABLE on the part you want to buy, please call us TOLL FREE at 1-888-6 GO FAST(1-888-646-3278) Monday - Friday 8AM - 4:30PM Pacific Time and talk to one of our experienced Sales Agents. Some parts may not be legal for sale or use in California and other states on any polution controlled motor vehicles. Check your local laws for use. Copyright © GoFastParts.com all rights reserved. No part of this site may be reproduced without prior written consent.