Rough Country Carrier Bearing Drop KitOn vehicles equipped with a two piece drive shaft and carrier bearing, there is the potential for take off vibration Depending on the severity, this can be corrected with shimming down the carrier bearing. Rough Country's Carrier Bearing Drop Kit 1776BOX1 Benefits: Fitment: Toyota: 07 13 Tundra 4WD 2WD Contents (6) Carrier bearing shims and hardware Notes: Manufacturer: Rough Country Suspension Systems; Part Number: 1776BOX1; Weight (Lbs): 1. 59;