237285 Fits Softail Models Fits 1986 Thru 1989 Models

The Rivera Primo Brute-III belt drive kit is a premium upgrade for Evolution Big Twin and Twin Cam Softail models. This kit features a 1 3/4-inch wide, 8mm pitch Aramid-reinforced belt paired with a hard-anodized front pulley for maximum durability. By utilizing a specific pulley combination, Rivera Primo has eliminated the need for an idler or tensioner, which simplifies the installation and reduces long-term maintenance costs. The kit comes complete with the legendary Pro-Clutch pack and pressure plate assembly, ensuring smooth engagement and high torque capacity. All necessary hardware and instructions are included to help you convert your primary to a high-performance belt drive system. It is a robust, well-engineered solution for riders seeking better power transfer and a cleaner, more aggressive look for their Softail.