This kit contains all of the safety critical parts for the steering track rod pin assembly. The kit contains the main plug UR4064, the pin UR4083, spring RF7552, spring seat RF7556, ball bearing...

This is the rubber oil seal for the outer track rod end. 1966-1980 All Models 1980-1982 Silver Spirit, Silver Spur, & Mulsanne VIN 1001-05629

This is the main pin for the inner steering track rod.  1966-1980 Silver Shadow, T-series, Shadow II, T-2, Silver Wraith II