Spitfire Mk3 and Mk4 with 'D' type overdrive from January 1967 to August 1973 (to chassis no. FH60000 and FM10000) • GT6 with 'D' type overdrive (1966-73)
TR2 to TR4A (1953-67) • TR5, TR250 and TR6 with 'A' Type overdrive (to September 1972) • Spifire Mk3 and early Mk4 with 'D' type overdrive to chassis no. FH60000 andFM10000 (January 1967 to August 1973) • GT6 with 'D' type overdrive (1966-73)