{"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":47839894503650,"sku":"MAN221441P-16","price":751.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5004\/2082\/files\/a2d159b921ac799f89fba1c93eab9c48L_2d987dcf-fcf2-49a4-89cd-dfcb1a5f59f1.jpg?v=1780098228","url":"https:\/\/raceclub.us\/products\/manley-circle-track-roller-polished-nextek-series-valve-springs","provider":"Race Club ","version":"1.0","type":"link"}