{"product_id":"manley-221425-1-valve-spring-spring-1-640-double","title":"Manley 221425-1 - Valve Spring, SPRING-1.640 DOUBLE","description":"\u003cp\u003eManley 221425-1 - Valve Spring, SPRING-1.640 DOUBLE\u003c\/p\u003e\u003cp\u003eManley Valve Spring, SPRING-1.640 DOUBLE\u003c\/p\u003e\u003cp\u003eFrom 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities\u003c\/li\u003e\n\u003cli\u003eBetter valve train stability and component life\u003c\/li\u003e\n\u003cli\u003eIdeally suited for Sportsman Drag Racing applications\u003c\/li\u003e\n\u003cli\u003eAvailable in polished versions to reduce friction, improve fatigue life, and minimize load loss\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Rate\u003c\/strong\u003e: \u003cspan\u003e604\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Lift - Maximum\u003c\/strong\u003e: \u003cspan\u003e0.900\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInstalled Pressure and Height\u003c\/strong\u003e: \u003cspan\u003e280 @ 2.100\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOpen Pressure and Height\u003c\/strong\u003e: \u003cspan\u003e795 @ 1.250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIndustry\u003c\/strong\u003e: \u003cspan\u003eAutomotive\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Type\u003c\/strong\u003e: \u003cspan\u003eICE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Market\u003c\/strong\u003e: \u003cspan\u003eDomestic\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAverage Gram Weight\u003c\/strong\u003e: \u003cspan\u003e160\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eEngine Valve Spring\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Outer Diameter\u003c\/strong\u003e: \u003cspan\u003e1.640\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Inner Diameter\u003c\/strong\u003e: \u003cspan\u003e0.860\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Quantity\u003c\/strong\u003e: \u003cspan\u003e1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Series\u003c\/strong\u003e: \u003cspan\u003eNexTek? Series\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Material\u003c\/strong\u003e: \u003cspan\u003eChrome Silicon\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Type\u003c\/strong\u003e: \u003cspan\u003eDouble\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Coil Bind Height\u003c\/strong\u003e: \u003cspan\u003e1.150\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":49937499422998,"sku":"BBPB-221425-1","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_221425-1-ang45_2000x2000_normalized_b2922b1f-82d6-4e39-91ae-5bbfdfe8d283.jpg?v=1776993756","url":"https:\/\/www.cspracing.com\/products\/manley-221425-1-valve-spring-spring-1-640-double","provider":"Complete Street Performance","version":"1.0","type":"link"}