If your a 348/409 fan, youll be excited to learn that you can get a high-performance distributor for your classic Chevy engine. This distributor is ready-to-run meaning that you simply need to install it in the engine and connect three wires to fire up the engine. No external ignition controls are required with this distributor because it has a powerful module built into the housing. This module produces a stout inductive spark that will improve the overall drivability and performance of your classic Chevy.