{"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":49064205091051,"sku":"MAN221441P-16","price":609.28,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/2101\/7067\/files\/a2d159b921ac799f89fba1c93eab9c48L_60be8bde-93b8-45f9-8970-21d09ccecd2c.jpg?v=1784262737","url":"https:\/\/gearheadmotoring.com\/products\/manley-circle-track-roller-polished-nextek-series-valve-springs","provider":"GEARHEAD MOTORING LLC","version":"1.0","type":"link"}