PERRIN LIGHTWEIGHT ALTERNATOR PULLEY KIT. -IN BOX : 1 PERRIN ALTERNATOR PULLEY / INSTRUCTION. AUTHENTIC PERRIN PRODUCT, MADE IN USA. PERRIN ALTERNATOR PULLEY WEIGHT 0.116LBS. DECREASE ROTATIONAL MASS PERRIN Alternator Pulleys weigh just 0.116lbs, which is lighter than the OEM alternator pully.
