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