Ballast resistor
Triumph: Spitfire MK4 to chassis no. FH45740 and FK28000 (on later models the separate ballast resistor was replaced by a resistive wire built into the loom) ? GT6 MK3 (1970-73) ? Stag (1970-77) ? Dolomite and Dolomite Sprint (1972-80) ? 2000, 2500 and 2.5 Pi Saloon with Lucas 45D distributor (1974-77) ? TR7 Sprint (1977)
Jaguar: E-Type 4.2 Series 2 (1969-70): OTS from 1R1393 and 1R11052, FHC from 1R20486 and 1R27051, 2+2 from 1R35643 and 1R42850 ? XJ6 4.2 Series I from engine no. 7L35133, XJ6 2.8 Series I from engine no. 7G17029, all XJ6 Series II and III (1979-87)
Range Rover: Classic: V8 carburettor (1970 to October 1985)
Aston Martin: DB4 (1958-63) ? DB5 (1963-65) ? DB6 (1965-70) ? DBS six cylinder models (1967-72)
Rolls Royce and Bentley: Rolls Royce Silver Shadow plus Bentley T-Series from 1966 to 1975 (from VIN..1942 to 22117)
for ballasted ignition coil. 1.6 Ohm