SparkPlugs.com: Manufacturer's Numbering Systems
Amazon.com: ACDelco GM Original Equipment 41-100 Iridium Spark Plug : Automotive
Ignition: Spark Plugs | GM Parts
acdelco spark plugs numbering system Page 2 — Postimages
Spark Plugs - ACDelco Australia
How do I select a replacement spark plug? - General Discussion - Antique Automobile Club of America - Discussion Forums
Parts Catalog 1997 ACDelco Spark Plug 41A-100 | eBay
2000 AC-Delco Spark Plug Catalog 41A-100 20JS-1184-M9 | eBay
19360569 - #7 - AC Delco Rapid Fire Spark Plugs
1969 Corvette 427/390hp AC-Delco Spark Plug (R44XL)
Consumer Rebate Offers | GM Parts
ACDelco® Professional Iridium Spark Plug | 41-101
AC Delco Conventional Spark Plug - R43TS | Blain's Farm & Fleet
Amazon.com: ACDelco Gold 6 RAPIDFIRE Spark Plug (Pack of 1) : Automotive
ACDelco Iridium Spark Plug 41-112 - The Home Depot
AC DELCO CATALOG SPARK PLUGS CIRCA 2000 PARTS REFERENCE REPAIR GUIDE BOOK | eBay
Amazon.com: ACDelco GM Original Equipment 41-988 Iridium Spark Plug (Pack of 1) : Automotive
Tech Tip: Spark Plug Heat Range Cross Reference
ACDelco Iridium Spark Plug, Each
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Rep
Eckler's 1955-1968 Corvette AC Delco Spark Plugs R43S | Chevrolet | Standard Stingray
Eckler's 1974-1975 Corvette AC Delco Spark Plugs R44TX Small Block | Chevrolet | Stingray
