Spark Plugs

[Guest oshiney2]

hi guys can anyone out their tell me the best spark plugs to buy for my 1800cc zetec the one in just now are ngk ptr5a

thanks shiney

[Guest Christine]

Denso iradium

Edited November 1, 2010 by Garry

[Guest cerioli_83]

Not 100% sure if they are the best on paper, but the best i ever put in a zetec was Bosch Super 4's. Put the in mother-in-laws fiesta and father-in-law asked how i made it run so smooth and improved power... I said "if i told you, you'd get bored and not understand" hahaha.

 

Hth

Stephen