High Horse Performance, Inc.
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Brisk RR12S Silver Racing Spark Plug Set Heat Range 12 Non-Projected Tip for 03-08 5.7L, 06-10 6.1L & 11-25 6.4L 392 HEMI
Set of 16 plugs Brisk Racing Silver plugs rated 3 to 4 steps colder than stock. For 6.1L / 5.7L HEMI. We recommend these plugs for all forced induction and nitrous applications 1000+ RWHP cars. Sold as a set of 16. BRISK Silver Racing RR12S Spark Plug 14mm thread, 25mm reach, 5/8'(16mm) h...
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