{"product_id":"sp1-spark-plug-indexing-washer-kit","title":"Spark Plug Indexing Washer Kit","description":"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, increases fuel mileage and plug life.  This is a speed secret car racers have used for years.  You simply mark the electrode side of the plug with a magic marker on the porcelain.  You then shim the plugs with the washers to align the electrodes toward the intake ports. Fits 14mm threaded spark plugs.","brand":"SP1","offers":[{"title":"INDEXING WASHER KIT 2-CYLINDER 8\/PK (SM-01047 8\/PK)","offer_id":50492248784939,"sku":"SM-01047 8\/PK","price":9.99,"currency_code":"USD","in_stock":false},{"title":"INDEXING WASHER KIT 3-CYLINDER 12\/PK (SM-01048 12\/PK)","offer_id":50492248817707,"sku":"SM-01048 12\/PK","price":10.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0017\/9568\/6464\/files\/fc80-572a5242ac993.jpg?v=1792114301","url":"https:\/\/evolution-motorcycles.com\/products\/sp1-spark-plug-indexing-washer-kit","provider":"Evolution Motorcycles","version":"1.0","type":"link"}