*** IN STOCK SHIPS TODAY *** MSD #7905 distributor hold-down clamps are strong enough to keep the timing locked in place whether you are using an MSD billet distributor or Pro-Mag. These MSD hold-down clamps are precision-made and fit all MSD Pro-Billet Chevrolet distributors and the Pro-Mags.
Each of these clamps includes a mounting stud, lock washer and nut.