MSDS ready-to-run pro-billet distributors for chrysler engines are the perfect upgrade from breaker points or weak electronic ignitions These distributors feature a maintenance-free magnetic pick-up that accurately triggers the built-in powerful ignition module This module produces a high-output spark which improves combustion in the cylinder, resulting in quick starts, a smooth idle and great performance Just beneath the race rotor is a mechanical advance assembly so a timing curve can easily be tailored to match your application The QPQ coated shaft is guided by a sealed ball bearing assembly for stability and endurance while a vacuum advance canister helps increase economy on those long cruises The ready-to-run distributors are also a breeze to install Simply drop it in the engine and connect three wires and youre ready-to-run to your favorite cruise The front engine mount models are designed in a special small diameter housing to clear aftermarket heads and valve covers