Originally Posted by NORCAL SS
so greg the crank pulley for the tbss is the same gm part number as the crank pulley on the 4.8 5.3 and 6.0 trucks??
because it says this on the asp site
Year Engine Pulley Description Full Charge- Info- Nitride Hard CoatBlack Alum
99-04 4.8, 5.3, 6.0 25% Harmonic Dampner 800 RPM
hate messing with pulleys, especially on these newer vehicles with their monster electrical systems, how much gain to the wheels are we getting with this?