MSD 8464 Distributor Advance Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Advance kit for MSD Pro-Billet distributors</li><li>Four advance springs supplied</li><li>Three stop bushings supplied</li><li>For use with MSD distributors only</li></ul></div><img src="http://ecx.images-amazon.com/images/I/416V1R94DML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vfvNK6b%2BL.jpg" noproxy>