3000GT Lightweight Underdrive Pulley

DrivePulleyAluminum DrivePulleyAluminumScale CrankPullyAlumninum2 Ran a lightweight underdrive pulley on the VR4 for a while. They say its good for about 10 horsepower. It only weighed 1 pound 11 ounces.. But a good buddy of mine who is a DSM expert and engine builder suggested that we really need the factory damping of the stock unit. So I took it of