{"product_id":"manley-nextek-series-1-580-od-832-id-730-lift-oval-track-and-endurance-valve-springs","title":"Manley NexTek Series 1.580 OD .832 ID .730 Lift Oval Track and Endurance 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":40657318969449,"sku":"MAN221443-16","price":529.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2600\/1038\/products\/d5d40c7892594cb55df535f7f5e4a6f4_bc7c72af-3e50-4ccc-8d93-37febf133d72.jpg?v=1685513617","url":"https:\/\/store.sp-power.com\/products\/manley-nextek-series-1-580-od-832-id-730-lift-oval-track-and-endurance-valve-springs","provider":"SP Engineering","version":"1.0","type":"link"}