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By far the best possible pulley solution to gain an honest 4# of boost. CNC machined aircraft aluminum. Includes proper length supercharger belt.Includes Allen head tool for removal and pulley bolts and lock washer and complete instruction sheet
REMEMBER THIS 4LB PULLEY ONLY MAKES 2LBS BOOST ON THE 2002-2003 HARLEY DAVIDSON TRUCK DUE TO THE BLOWER PULLEY BEING A 3.2 ON THE HARLEY TRUCK AND THE PULLEY ON THE LIGHTNING BLOWER IS A 2.9 MAKING 4 LBS ON THE LIGHTNING