Is that the last 3 #'s I've never heard of those, I had some 990's I could tell you what I ran in those. Are they tapered seat or gasket seat. Do you know if you need extended reach or not?
just finishing up putting 188 rec port heads on my 454. what plugs would be best thanks... need to know asap
Is that the last 3 #'s I've never heard of those, I had some 990's I could tell you what I ran in those. Are they tapered seat or gasket seat. Do you know if you need extended reach or not?
I'm gonna start with a autolite 26