Earl's Distribution Block 2009 Ford Mustang 4057-250 - 1964-1972 GM A-Body

4057-250 - 1964-1972 GM A-Body Rear Coilover Kit

High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change

This manifold is compatible with stock heads

5" diameter pistons

reducing wheelhop and increases handling stability

Earl's Distribution Block 2009 Ford Mustang 4057-250 - 1964-1972 GM A-BodyEarl billet aluminum distribution blocks feature a modern compact design w a narrow shape, and smooth flow path for maximum flow. These parts are made from billet 6061 T6 aluminum w black anodized finish. The female AN O ring ports are used w Earl's O ring port adapters (available separately). The wrench hex allows for easy assembly & maintenance.