At last, the ultimate Spark Plug Indexing Kit. Spark plugs can be indexed at home or on your way to the track in the palm of your hand. This kit comes complete with a red anodized billet 6061-T6 aluminum indexing plate, a battery operated illuminated magnifier and a taper gap gauge. All components fit neatly into the unbreakable high density polyethylene carrying case with room for eight indexed spark plugs. (Spark Plugs not included)