quick view Add to Cart Ring Gear GMF400 Transmission (UG13281U) MSRP: $450.00 This is a good used starter ring gear for year models fitted with GM400 transmission / gearbox before 1987. 1969-1980 Silver Shadow, T-series, Shadow II, T-2, Silver Wraith II (VIN 8742-41686) 1980-1986 Silver Spirit, Silver Spur,... Add to Cart