This, just like all of EMPI's pulley's, are made from high grade Aluminum and precision machined on CNC machines. This pulley is standard size and features timing marks at 0, 5, 10, 20 and 30. Fits Type 1 61-79, S/B 71-79, Type 2 63-71 and Ghia 66-74.
EMPI Part # 18-1072