RBS carries a mag drive for the vintage AMC motor and here is one shining example for our 290/401 customers. It is made from heat treated alum. and is anodized for corrosion protection. It includes a timing pointer, stainless steel magneto clamp and a lockout diamond coupler to adpt. most Mallory/FIE Super mags to the mag drive. If the racer is using a MSD mag, buyer must purchase a #2500-0112 cross adapter separate in the pull down menu. Drive seals to the manifold with a gasket for a leak free application. Mag drive comes with a bronze mag drive gear pinned on the driveshaft.