NGK IX Iridium Spark Plug *Box of 4* (TR7IX) - 3690 Hybrid Racing 1999:BMW:740i:Base

1999:BMW:740i:Base

resulting in minimal stress on the plastic OEM heat exchanger mounts

94-01 Acura Integra GS-R w/ K-Swap

These particular pumps flow significantly more fuel at higher pressure

2006:Mercedes-Benz:C55 AMG:Base

NGK IX Iridium Spark Plug *Box of 4* (TR7IX) - 3690 Hybrid Racing 1999:BMW:740i:Base**SOLD AS SET OF 4** NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium