This is a rare original new old stock assortment of Gearbox transmission thrust washers for Triumph Spitfire 1972-1980, GT6 1971-1973, TR7 and TR8 1975-1981, Rover 3500 and Land Rover Classic 1986-1991. Part #UKC934-3, IKC935 X2, UKC936 X3, and UKC93 X2. 10 total each number is a different thickness and are hard to find. The listing is for all 10 units.