Join Date: Aug 1998
Location: Waldorf Md. USA
Re: BBC spark plugs 🤣🤣
You need to try and tell how long the plug threads need to be. Some of them use the long reach plugs and some use the short reach. If you had your head casting number it would make things a lot easier. Is this a GM crate engine 502 ?
I have a set of Mercruiser 502 heads here in the shop that have NGK BR6FS plugs in them. Taper seat short reach.
Advanced Automotive Machine
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1971 Heavy Chevy - original owner
1984 Buick Riviera - original owner (Wife's car)
Team Chevelle #100