{"product_id":"manley-circle-track-roller-polished-nextek-series-valve-springs","title":"Manley Circle Track Roller Polished NexTek Series Valve Springs","description":"From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most demanding race conditions. That means more consistent spring force deep into a run, reduced valve bounce, and improved overall stability for high-RPM performance. Built to outperform and outlast in real-world competition.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51667345277224,"sku":"MAN221441P-16","price":609.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/0218\/1416\/files\/a2d159b921ac799f89fba1c93eab9c48L_23915b91-803a-4668-bf3c-969d8fb0ac33.jpg?v=1775804562","url":"https:\/\/shop.paradigm-automotive.com\/products\/manley-circle-track-roller-polished-nextek-series-valve-springs","provider":"Paradigm Automotive \u0026 Performance Shop","version":"1.0","type":"link"}