[russellw]

LR Front
300 mm – vehicles with 2.0L Duratec ST
258 mm – all others

LR Rear
280 mm – vehicles with 2.0L Duratec ST
252.7 mm – all others
Some LS/LT models were equipped with 203 mm drum brakes on the rear.

LS/LT/LV Front
300 mm – vehicles with 2.0L petrol engine or 1.6L/2.0L diesel
278 mm – vehicles with 1.6L/1.8L petrol engine
320 mm - LV Focus 2.5L Duratec-ST only
336 mm - LV Focus 2.5L Duratec-RS only

LS/LT/LV Rear
280 mm – vehicles with 1.6L diesel, 1.8L diesel or 2.0L engine
260 mm – vehicles with 1.6L or 1.8L petrol engine
280 mm - LV Focus 2.5L Duratec-ST
302 mm - LV Focus 2.5L Duratec-RS only
Some LS/LT models were equipped with 228 mm drum brakes on the rear.