This is an optional Schumacher Alloy Center Track Rod Steering Rack. The Alloy Center Track Rod offers great looks and strength over the Kit option. Three holes are available for the Ackerman adjustment for fine tuning on many track surfaces. There is a revised position for the servo link to make the car feel calmer around neutral.
Kit spec washers in between center track rod and radius arms are not required. It is built in to new alloy center track rod.