These latest 39 and 40 tooth front pulleys from Belt Drives LTD., are just the ticket for many early stock and custom applications. Designed specifically for use with 8mm BDL-30853-T and DDL-30853-BE primary belts they can now be paired with a splined or tapered bolt-in insert. BDS standard 39 and 40 bolt-on tooth models include 39-INT, 39-INS (T tapered, S splined), and 40-INT or 40-INS. An additional version, the 39SS-INTand 39-SS-INS is machined with an offset of .160” to help with custom fitments. BDS continues to manufacture the original front pulleys with the permanent insert as part # 39T & 39S or 40T & 40S. Retail for each of the new models $188.00. The original models with permanent insert retail at $75.50. For complete details check out the BDL site at www.beltdrives.com or call direct to 714-693-1313 ext 227.