8 pc DENSO 5327 Iridium Power Spark Plugs for 12592619 AGSF 12FM1 AGSF 12FM1F4 AWSFA12C EBC4021 IT22 Ignition Wire Secondary Fits select: 2003-2004 FORD MUSTANG, 2006-2009 CADILLAC STS

8 pc DENSO 5327 Spark Plug REDUCE EMISSIONS AND MISFIRES: The patented DENSO Spark Plug enables complete fuel ignition in the combustion chamber. It virtually eliminates erratic starts caused by poor fuel mixtures and excessive soot buildup. The DENSO Spark Plug employs a unique ground electrode designed to generate a larger spark nucleus at the point of ignition. Greater spark energy means improved flame travel, producing more complete, consistent, and efficient combustion GAIN GREATER FUEL EFFICIENCY: This DENSO Spark Plug fires leaner mixtures than conventional plugs and improves throttle response. Its ground electrode was developed to improve ignitability for increased efficiency in emission gas purification and fuel consumption. The DENSO Spark Plug is 100 percent pre-fired to ensure reliable operation and lasts twice as long as conventional plugs. The unique five-rib insulator reduces flashover and decreases voltage loss RELY ON QUALITY AUTO PARTS: From the development of direct ignition coils to revolutionizing the concept of the aftermarket performance spark plug by using platinum and iridium, DENSO is often on the front lines of product advancement TRUST IN DENSO: The automotive industry has recognized the DENSO commitment to quality through such prestigious awards as the Deming Award for Quality, the J.D. Power and Associates Chairman's Award, and numerous supplier awards for quality Fits Select: 2003-2004 FORD MUSTANG 2006-2009 CADILLAC STS 1996-1998 FORD TAURUS 2006,2008 CADILLAC XLR 1994-1995 JAGUAR XJS 2007,2009 CADILLAC XLR-V 2005-2006 FORD GT 1994-1996 JAGUAR XJ12 1993 JAGUAR XJR and more - add your vehicle to our fit widget to check