NGK ZFR6F-11 Long reach sparkplugs
'Supposed' to give a slight improvement in power by placing the spark slightly further down in the cylinder.
Fits all Mazda MX5 Mk1, Mk2 & 2.5 models, 1989>2005
Not recommended for use with forced induction.
Doing the job yourself? You'll need a spark plug socket then! Click here to see.