BDL 142 Tooth Pitch Wide Primary Belt Kevlar belts are thermal, chemical and wear-resistant for longer life Kevlar is used for added performance in various racing competitions around the world. Over the years many other uses have become common such as reinforcement in rubber goods for mechanical applications. Kevlar enhances the compound's mechanical performance particularly at high temperatures Features Replacement belt for BDL 88mm 1-1/2 Closed Primary Belt Drive 923-650