Chevy SBC 350 IMCA MODIFIED Mild Steel Exhaust Headers - RAW Adjusting the rear band is

Adjusting the rear band is crucial for optimizing shift quality and transmission performance

The increased output of this self-contained ignition easily outperforms stock ignitions and helps to smooth out the power band from idle to high RPM

then it is the installer's responsibility to verify fitment

They produce a simulated trigger signal that fires the ignition just as if the engine were running

high to work with tall or stock valve covers

Chevy SBC 350 IMCA MODIFIED Mild Steel Exhaust Headers - RAW Adjusting the rear band isIncrease 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.