Chevy SBC 350 IMCA Racing Exhaust Headers - Raw They are manufactured from cast

They are manufactured from cast aluminum and are offered with breather holes or without any holes

aluminum heads can accept a 2

Speedmaster high-volume oil pumps give you an additional 20 to 25 percent of much-needed oil volume for your performance application

they offer excellent heat resistance and long-lasting performance

Chevy SBC 350 IMCA Racing Exhaust Headers - Raw They are manufactured from castIncrease 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.