Anyone who wheels hard, rock crawls, or rock races has experienced blown up trunnion bearings, no matter what size bearings they are using, the bearing is always the point of failure. The Rock Assault Trunnion Bearing Eliminator Kit totally eliminates the bearings and replaces it with a solid king pin style pin that sits in a hardened bushing. The pin and bushing are made out of a material that is considered bearing quality because of its high carbon content, which gives it extreme hardness