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4057-250 - 1964-1972 GM A-Body Rear Coilover Kit
Mandrel bent tubing decreases backpressure for great performance and sound
This manifold is compatible with stock heads
The SBS comes complete with high-strength mounting hardware and instructions
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.
