Vortec heads,headers,spark plugs
What's a good plug to run with headers and
vortec heads?I'm looking for a little more
clearance with my Hedman's. Delco R44LTS
plugs seem the same length as the old R44's
I ran with the old heads.Anyone know if Delco
MR43LTS plugs are a little shorter?Any other
US made Brands? Thanks.
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