Here is a stainless steel band clamp is designed to clamp the magnetos to their drive bases.  This genuine Mallory bandclamp makes it quick and easy to remove your mag generator. Just loosen the 7/16" hex nut a couple of turns and flip the release. Used with MSD ProMag Generators and Mallory FIE Super Mag Generators with most all drive units, like the Dunn, RCD, Mallory, MSD, etc.

Comes as pictured.  

Retail Price (for reference): $75

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