Pulley Spacer Kit $5.95 # 5 in Photo is the 2 pcs.Spacer Kit used to correct belt alignment when installing EMPI / MrBug and a few other Aluminum Degree Pulleys. Large Spacer is approximately .125 thick and small is about .135" thick. When using the spacers kit they also recommended using the Long Crank Bolt # VM009118 . Parts Listing $5.95 Related Items Here are some products that may also be of interest to you: • Crank Pulley Nut & Washer "Chrome" • Crank Pully Bolt "Long" • Degree Pulley Std. Dia. S.S. • Power Pully S/Seal $37.95 • Power Pulley $21.95 • Degree Pulley Std. Dia. • Gen/Alt Pulley "Chrome" • Gen/Alt Strap