{"product_id":"shim-dex-spark-plug-indexer-shim-dex-spark-plug-indexer-ascs","title":"Shim Dex Spark Plug Indexer - Shim Dex Spark Plug Indexer- ASCS","description":"These stackable spark plug shims rotate the ground of the spark plug at 30 degree intervals anywhere within 360 degrees. You get the most out of your spark plugs without causing overheat and pre-ignition due to thread exposure. \u003cbr\u003e\nShim-Dex shims rotate the ground of the spark plug at 30 degree intervals anywhere within 360 degrees You won’t have to buy extra spark plugs to have them perfectly indexed. \u003cbr\u003e\nShim-Dex shims are reusable many times over minimal or no thread exposure in the cylinder head that can overheat and cause pre-ignition Shim-Dex shims are so thin they will not adjust the gap too far out of the combustion chamber and negatively affect performance. \u003cbr\u003e\nPack includes 12 silver 60 degree shims and 12 black 90 degree shims.\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e SHI-SHMDX-14F\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Shim Dex\u003c\/p\u003e","brand":"Shim Dex","offers":[{"title":"Default Title","offer_id":51670286336132,"sku":"SHI-SHMDX-14F","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/7162\/1252\/files\/SHI-SHMDX-14F.jpg?v=1774207846","url":"https:\/\/kaedings.com\/products\/shim-dex-spark-plug-indexer-shim-dex-spark-plug-indexer-ascs","provider":"Kaeding Performance, Inc.","version":"1.0","type":"link"}