Accuspark Red Rotors Twin packs

AccuSpark performance red  rotors sold in Twin packs 

25D  suits all 4 cyl models with a 25D disributor, normally up to 1974
45D  suits all 4 cyl models with a 45D disributor, normally 1974 onwards 
22D6 suits 22D6 25D6 and DM6 6cyl distributors in Triumph and MG models 
35D   suits all V8 Models 
Delco suits all 4 and 6cyl modles with a Delco distributor