SPI-SPORT PART SM-01048 SPARK PLUG INDEXING WASHER 12 PIECE SET

SPI-SPORT PART SM-01048 SPARK PLUG INDEXING WASHER 12 PIECE SET. The vendor part number is SM-01048. Read title to know what you are getting. Catalog descrition… Indexed spark plugs align the open end of the electrode toward the intake port The hottest flame meets the new fuel charge for a performance gain, increased mileage and plug life *Gold washers- .75 mm *Silver washers- 1.00 mm *Purple washers - 1.25mm *Red washers- 1.60mm *12 Pieces