You can see the difference however, they have a reputation of being shit for longevity. I was reading a thread about a guy in an EVO, who gapped them and after a month had a misfire - took the plugs out the gaps were off. Basically they were eating themselves making the gap bigger.....
Established MemberJoined: Aug 2009HorshamPosts: 1855Leon Cupra 200 TDI
#10
yeah, i can see there are some good videos on facetube for this. the difference is quite big. but i cant justify the price for somthing as brittle as that.