NOS AC Fire Ring Spark Plugs R43N and 43N
 

https://www.yenko.net/attachments/use...7-dsc01356.jpg
https://www.yenko.net/attachments/use...8-dsc01360.jpg
I thought I'd offer these AC Spark Plugs up to you guys before I send them off to eBay. These are Concours correct 4 thin ring Spark plugs. For you 69 guys the R43N fit all 396 and 427 High Perf and Special High Perf. applications excluding Aluminum heads. The 43N Spark plugs fit 64-68 Passenger Cars, Chevelles, Chevy IIs, Corvettes and Camaros with 396, 409 and 427 engines. The price is $80 per set, take your pick. If you have any questions feel free to contact me via phone at 508-529-1970 or PM.
Thanks,
Chris