HPI Ball Bearing 4x8x3mm ZZ HPIB017

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This is a Pair of 4 x 8 x 3mm Ball Bearings from HPI. Features: These bearings are used in many of the HPI RS4 nitro and electric kits. Rubber sealed and double shielded for long l ife. Includes: Two 4 x 8 x 3mm bearings. Requires: Removing bushings if so equipped, and replacing with bearings. Specs: Inner Diameter: 4mmOuter Diameter: 8mmThickness: 3mm Show more