MSD Pro Mag 7456 PRO-MAG Replacement Base for Pro-Cap, Fits Pro Mag

7456 Distributor cap base, only fits MSD Pro-Cap style MSD Billet distributors.

7456 MSD Distributor Base

New MSD Ignition 7456 Replacement Distributor Base Pro Cap Adapter, Fits Pro Mag

MSD Ignition 7456 Distributor Cap Base Only for MSD Pro-Cap Style Distributors

MSD 7456 Pro Mag Distributor Cap

MSD Pro-Mag Replacement Base For Pro-Cap, Fits Pro Mag - 7456