Chevy SBC 350 1932 Hi-Boy Raw Steel Exhaust Headers The impeller and cavity have

The impeller and cavity have been custom CAD designed and engineered to be larger and more efficient to provide flow that is 40 percent greater than stock pumps

Try using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag

000 psi tensile strength for the utmost in reliability

They are manufactured from machined steel and offer excellent valve spring location

Chevy SBC 350 1932 Hi-Boy Raw Steel Exhaust Headers The impeller and cavity haveIncrease your horsepower and torque for your ride just bolt on these Speedmaster headers! These headers are designed with 3 8 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.