Originally Posted by watdaheo504
because this is aftermarket pulley , it is smaller and lighter in diameter , thats why the old belts will not fit..
doh....just do what i tell my customers to do go, put some string around the pully and the crank then put a little tension on it and tie the string off and take the string to a parts store, they should be able to size it up just be sure you count the groves so you don't get a 6 grove belt when you need a 4