Primo belt drive kits for big twin

Primo belt drive kits are proven to be the best on the market. Years of research and development has made them the Number 1 manufacturer of primary belt drive systems for Harley-Davidson. They have produced the finest primary belt drive units for over 14 years, utilizing a manufacturer with 30 years experience in drive pulley engineering. â¢Hard anodized pulleys for years of trouble free riding. â¢All front pulleys are drilled and tapped for easy removal. â¢All models with one piece aluminum rear pulleys have hardened clutch dogs secured with three steel rivets. â¢All bearing races for the Big Twins are made of a special chrome-moly carbonized steel with a minimum hardness on the C-Rockwell scale of 60 on the bearing surface. â¢Bearings have a tough core that resists cracking under vibration and load. All belt drive components sold as Primo-products are manufactured in America. Ride with the best, ride with Primo.