Holy Crap!!! R43 spark plugs on ebay

[Lynn]

I have some of these. Think I will bring them in from the garage and wrap them in baby blankets.

http://www.ebay.com/itm/NOS-1969-1970-Camaro-Corvette-AC-Acniter-R43-Spark-Plugs-Z-28-LT1-302-350-/140918773997?_trksid=p2047675.l2557&ssPageName=STR K%3AMEWAX%3AIT&nma=true&si=0wvUVOLFmJtROGSzDxLhe9T 9ljA%253D&orig_cvip=true&rt=nc

[Donnie]

whats the difference between R43 and R43N

[John Brown]

R43 is a 3/8 inch reach, R43N is 3/4 inch reach.

[69L78]

R43N is for a 69 BB w/cast iron heads 350-375 HP