Allstar Performance ALL96506 Spark Plug Index Shims 14mm Small O.D.
Allstar Performance ALL96506 Spark Plug Index Shims 14mm Small O.D. Spark Plug Washer - Small OD - Indexing - 14 mm Flat Seat - 60 and 90 Degree Shims - ALL-PRO Heads - Set of 24. Allstar Performance - DNLF_ALL96506.