Chevy Sbc 1935-1948 Fenderwell Roadster Street Rod Raw Steel Exhaust Headers Our dual plane big block

Our dual plane big block manifold is now available with rectangular ports

Whether you're overhauling an engine or looking to upgrade your vehicle's performance

highly specialized silicone magnetic steel cores

Unlike our competitors that only use 3 or 4 pinion gears

and their latex coating conforms to minor sealing-surface irregularities for a better seal

Chevy Sbc 1935-1948 Fenderwell Roadster Street Rod Raw Steel Exhaust Headers Our dual plane big blockIncrease your horsepower and torque for your ride just bolt on these Speedmaster headers! These headers are designed with 5 16 in. thick laser cut flanges and mandrel bent primary tube. If your vehicle is using aftermarket components, parts from other applications, or custom altered parts, then it is the installer's responsibility to verify fitment.