AC R45N Acniter Spark Plugs 5612773 4 Small Green Rings OEM Early NOS

New old Stock Champion Spark plugs UY-6 Cadillac Chevrolet Hudson & others

NOS AC Acniter Spark Plug. R46N. SP388.

AC Delco GM Acniter R44N spark plug NOS Vintage Lot Of 2 green ring

Vintage AC GM 6 Spark Plugs R45TSX Acniter II GM NOS green ring #1

NOS Spark Plugs AC GM Acniter II R46T 5613357 Box Of 8

1 NIB AC R45NS ACNITER 4 GREEN RING SPARK PLUG NOS! 5613314

NOS AC Acniter Spark Plug R44N, Circa 1970