diameter as the stock pulley. You just need to call coz and talk to him. Here is the pulley he sells. La-Z-Link . What you are going to need is a 4 rib 35" belt. Btw, my car has the 3 rib belt on the 4 rib UD pulley--no problems thus far.
Daily Driver: 1997 Red Geo Metro 2 door Hatchback Truck: 2007 White Nissan Frontier SE Crew Cab 6 Speed Z: 1993 Stage? 300zx 2+2 Grocery Getter