Chevy V8 Crank Trigger Distributor Low-Profile Racing Distributor, Must Be Used With An 6, 7 Or 8-Series And A Crank Trigger MSD Ignitionwith thick vanes to stir up the air inside the cap. The high dielectric Rynite base also prevents arcing to the billet housing. transferring the high voltage of the MSD racing ignition to the spark plugs. have been designed into these low profile distributors. This includes a large diameter cap with wide spaced terminals and an injection molded Rynite rotor The high voltage carrying capabilities are the result of several features which The unique