Kit includes a timing pointer, stainless steel magneto clamp and a provision to adpt. most MSD or Mallory/FIE Super mags to the mag drive using the cross drive adpt.
Drive seals to the manifold with a O-ring for a leak free application and measures from the gasket surface to the magneto surface 5.437" tall.
If racer needs the lower oil pump drive/bronze gear portion it can be purchased separate under part #2500-0083M in the pull down menu.
Updated drive coupler allows for better ignition timing accuracy as where the old nylon diamond could become stretched or brittle and allow timing variables the cross design eliminates the issue.
Cross drive is included with drive assm.