I have installed autolite iridium plugs in Honda CD 125 and it works great. I got the plugs from Fair Sale spark plug shop. I must say he is a very honest man and has got lots of branded plugs and wires for all purpose engines. Contact details are below:
Fair Sale Contact Details:
24 Pilot House Plaza Square, Main M.A. Jinnah Road, Karachi.
Sales outlet: 021-32722680 / 32722994
Mr. Tariq Mohsin