High Horse Performance, Inc.
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NGK 6510 Iridium IX LTR7IX-11 Spark Plug Set for 03-08 5.7L, 06-10 6.1L & 11-24 6.4L 392 HEMI
The Spark Plug Serious Enthusiasts Rely On. Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. NGK iridium plugs represent the ultimate evolution of spark plug technology and performance. The iridium cen...
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