{"product_id":"manley-valve-spring-spring-1-620-double","title":"Manley Valve Spring, SPRING-1.620 DOUBLE","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":51181815955758,"sku":"MAN221445P-16","price":760.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/0779\/0894\/files\/36bd5f62532161f88eff3710d0ba50e1L.jpg?v=1760805418","url":"https:\/\/muscleandtrucks.com\/products\/manley-valve-spring-spring-1-620-double","provider":"Muscle \u0026 Trucks","version":"1.0","type":"link"}