NOS VINTAGE DELCO (8) #R44SX GM #5613591 ACNITER SPARK PLUGS W/ 4 GREEN RINGS

NOS VINTAGE DELCO #R44N GM #5612321 (8) ACNITER SPARK PLUGS W/4 GREEN RINGS

Box of 8 R44XLS vintage NOS New AC Delco GM Spark Plugs 5613870 Green Ring

Box (8) NOS AC 46N Spark Plugs FIRE RING 4 Equal Green Rings 5612630

(8) VTG NOS AC Delco Fire Ring 44XLS Spark Plugs GM 5612406 Original Package

12622441 OEM GM ACDelco Iridium Spark Plug 41-114

(8) ‘NOS’ AC-R45TS Spark Plugs 4 Green Rings ‘Assembly Line w / Yellow Tips’

NOS Vintage AC Delco GM Spark Plugs R46SZ 8 Green Rings