• Complete lower mandrel kit includes billet aluminum pulleys with black hardcoat finish to help with wear resistance maximizing performance at high race RPM’s
• Belts, mounting hardware and all spacers included
• Replacement Belt Part# 6PK-850HD
**Jones suggests using this kit for a maximum RPM range of 7300-7500 RPM**
**If your maximum RPM doesn't fall within the suggested range, please give us a call and we will help you choose the kit that best fits your application**
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