Plugs and Wires

jdm4life

Member
i have a 2003.5 mazdaspeed protege what ngk plugs should i use? ive heard the cold plugs work good and also gets rid of the fuel cut a little bit....also what size are the plugs thanks
 
OEM plugs: NGK PZFR6F = $26.00 ea from the dealership.

NGK Laser Paltinum PZFR6F-11 = $10.00 ea from Checker Auto parts.

Colder plugs? Depends on your mods. Use the search and be prepared to read alot as this is one long-azz debated subject...
 

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