{"product_id":"dual-valve-spring-and-retainer-kit","title":"Dual Valve Spring and Retainer Kit","description":"The Supertech SPRK-MM16D-1 Spring \/ Retainer Kit is a performance upgrade for the Mazda Miata's valvetrain, designed to help your 1.6L engine achieve its peak performance. This kit is compatible with Miata models from 1990-1997 and 1999-2023.\n\nSupertech, a recognized provider of performance parts, offers this precision-matched set for a complete valvetrain overhaul. The kit is constructed from high-performance steel and features a corrosion-resistant coating for durability. Its lightweight design is intended to improve overall engine performance, allowing for higher revs and better power delivery.\n\nA customer reported a noticeable difference in throttle response and power delivery after installing the SPRK-MM16D-1 kit on their 1991 Miata, noting that the springs felt solid and allowed for higher revs without issue.\n\nThis upgrade is suitable for both street and track applications, providing the reliability needed to push your Miata's engine to its limits. The investment in this kit aims to help achieve desired performance gains for your vehicle.","brand":"Supertech","offers":[{"title":"Default Title","offer_id":52663921901880,"sku":"SPRK-MM16D1","price":575.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687720569.webp?v=1784330855","url":"https:\/\/store.motormia.co\/products\/dual-valve-spring-and-retainer-kit","provider":"MOTORMIA","version":"1.0","type":"link"}