Description 127212RD by PERFORMANCE DISTRIBUTORS RACING H.E.I. DISTRIBUTORS Single-piece ignition delivers consistent, reliable performance up to 9,000 RPM. No other ignition box is needed. Distributor has an internal racing coil and Dyna-Module for maximum spark energy and a customized advance curve. Distributors for GM 602/604 crate motors have special advance curves and melonized distributor gears for use with the steel hydraulic roller camshaft
