{"product_id":"allstar-performance-all96506-spark-plug-index-shims-14mm-small-o-d-set-of-24","title":"Allstar Performance ALL96506 Spark Plug Index Shims 14mm Small O.D., Set of 24","description":"Spark Plug Index Shims 14mm Small O.D.\n\u003cp\u003eThe Allstar Performance ALL96506 spark plug index shims are designed to optimize spark plug positioning for improved ignition performance. These shims feature a small outer diameter of approximately 0.109 inches and are compatible with 14mm spark plugs, making them suitable for a variety of high-performance applications. The set includes 24 shims, providing ample options for precise engine tuning and maintenance. Crafted from durable materials, these shims are engineered to withstand the rigors of racing and high-performance environments. The design incorporates a flat seat with 60 and 90-degree shims, allowing for accurate indexing of spark plugs to ensure consistent spark exposure and combustion efficiency. These shims are compatible with ALL-PRO heads and are ideal for custom engine setups where spark plug positioning is critical. Installation is straightforward, making them a valuable addition to any professional or enthusiast's toolkit. Proper spark plug indexing can lead to improved engine response, increased horsepower, and enhanced fuel efficiency, making these shims a smart choice for performance tuning. The set is suitable for use in various racing and performance vehicles, providing reliable performance and precise fitment for optimal ignition timing adjustments.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSmall outer diameter of approximately 0.109 inches for precise fitment\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes 24 spark plug index shims for comprehensive tuning options\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with 14mm spark plugs and ALL-PRO cylinder heads\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003es flat seat design with 60 and 90-degree shims for accurate spark plug positioning\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from durable materials for high-performance applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to optimize ignition timing and improve engine efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy to install, suitable for professional and enthusiast use\u003c\/li\u003e\u003c\/ul\u003e","brand":"ALLSTAR PERFORMANCE","offers":[{"title":"Default Title","offer_id":44670065279042,"sku":"ALL96506","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4327\/4306\/files\/ALL96506.jpg?v=1785782568","url":"https:\/\/ltactradingco.com\/products\/allstar-performance-all96506-spark-plug-index-shims-14mm-small-o-d-set-of-24","provider":"LTAC Trading Co.","version":"1.0","type":"link"}