gtir303

i know this may of been asked brfore but what spark plugs for a wrx sti version 1 and what gap im taking the car to work tomorrow to service but dont want to strip it out then have the hassle of getting them ,also do sti have a different air filter cheers carl

richiewong

Won't go wrong with NGK PFR7B's and 0.7mm

gtir303

not much help then

Turbotits

iTrader: (2)

As above and the air filter is the same as the wrx

vulnax999

iTrader: (7)

Genuine STi Grp A air filter is supposed to be really good, for about £40, and NGK PRF7B plugs are super for a mildly modified Scooby!