Ive got a 3 door cosworth running 403bhp and needing set off plugs.
Ive been told to get lots different kind of plugs..

Heres ones ive been told to get from lots different people:

R7435-9 race platinuim plugs
bkr9e1x
ngk bcr8es
iridium bkr9eix ngk
denso dpr900/9r (i think)

also lets here you choice asewll

cheers paul