JIMS Primary Bearing Upgrade Kit

JIMS Primary Bearing Upgrade Kit for Harley-Davidson Upgrade your primary bearing setup with the JIMS Primary Bearing Upgrade Kit—ideal for an open primary system or for adding reliable durability to high-output builds. Built for consistent performance, this kit helps support smoother operation and long-lasting strength where you need it most. Key Features Designed for open primary systems and high-output durability Double row ball bearing for enhanced load handling Includes sealed bearing with retaining ring kit Made in the USA Specifications Product Name: Bearing Type: Primary Riding Style: Street Type: Upgrade Units: Each Weight: 0.45 lbs Dimensions: 4.96" x 4.64" x 1.77"