For those maintaining an older XB808, the XRAY 352076 - XB808 Aluminum Bearing Collar Set is made to accept 13x20 differential bearings and to ensure correct spacing and a firm fit in both front and rear differential bulkheads.
These aluminium collars are intended to keep bearings square in their pockets and to work with the capture screws to distribute forces evenly. Better load sharing means less local stress and a longer service interval for bearings.
The pair of collars matches the geometry used on earlier XB kits, making them suitable for restorations or modest upgrades. They provide stable bearing retention for road and circuit use where durability matters.
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