AMEN TO THAT BROTHER, JUST WENT THRU THAT CRAP ON MY 440 DART, WENT THRU ABOUT 40 PULLEY'S I HAD SITTING AROUND AFTER BUYING FANCY ALUM CRANK PULLEY AND A WATER PUMP ONE, AND THEY ARE ALL FIXING TO BE FOR SALE.........BETTER TO BUY IN MATCHED SETS,WILL SAVE YOU ALOT OF AGRAVATION AND FABRICATION AND FRUSTRATION !!!