NGK Laser Iridium Spark Plugs, IZFR6K11 #6994 4/Pack alt-5023-8901 Engine mounting surface is 11-1/2"

Engine mounting surface is 11-1/2" x 10"

as well as allows for almost infinite adjustment

Certified and approved by the USCG/TC

fish blood and many other hard to remove stains without the hassle and expense of sanding

The GSNI Gas Spring incorporates a strong annealed steel rod with a Nitride coating for added corrosion resistance

NGK Laser Iridium Spark Plugs, IZFR6K11 #6994 4/Pack alt-5023-8901 Engine mounting surface is 11-1/2"Original equipment on many late model applications Iridium at the fine wire center electrode and platinum at the ground electrode provides maximum durability and performance The platinum at the ground electrode adds extra protection against plug wear and gap erosion Sold in standard pack only