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JLP Lower Crank Pulley adds 4lbs of boost. Pulley and bolts & washers
REMEMBER THIS 4LB PULLEY ONLY MAKES 2LBS BOOST ON THE 2002-2003 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