Our monster TF-1000 (ALL BILLET) “TOP FUEL STREET DRIVE” is ready for action. The 14mm by 85mm wide (3-3/8”) belt is the same that the Top Fuel racers use on their 600-plus-horsepower machines. This monster's Kevlar clutch consists of varying spring pressure to accommodate any size motor on the market. The hub is machined from 7075 aluminum and then hard anodized for superior strength. This kit is designed for oil filter mounting in the motor plate. The TF-1000 is the complete drive without outboard bearing support. Fits 1990-2006 Softail models.