{"product_id":"manley-221443-16","title":"Manley 221443-16 - NexTek Series 1.580 OD .832 ID .730 Lift Oval Track and Endurance Valve Springs","description":"\u003cp\u003eManley 221443-16 - NexTek Series 1.580 OD .832 ID .730 Lift Oval Track and Endurance Valve Springs\u003c\/p\u003e\u003cp\u003eValve Spring - NexTek - Dual Spring - 535 lb\/in Spring Rate - 1.170 in Coil Bind - 1.580 in OD - Set of 16\u003c\/p\u003e\u003cp\u003eManley Valve Spring, SPRING-1.580 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\u003eNo degradation of spring pressure in the later stages of a race\u003c\/li\u003e\n\u003cli\u003eSpecially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities\u003c\/li\u003e\n\u003cli\u003eTested by leading engine builders and are confirmed to be the best performing valve springs on the market today\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\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\u003e150\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\u003e1.580\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Inner Diameter\u003c\/strong\u003e: \u003cspan\u003e0.832\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Quantity\u003c\/strong\u003e: \u003cspan\u003e16\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\u003e1.170\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Rate\u003c\/strong\u003e: \u003cspan\u003e535\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Lift - Maximum\u003c\/strong\u003e: \u003cspan\u003e0.730\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInstalled Pressure and Height\u003c\/strong\u003e: \u003cspan\u003e235 @ 1.950\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOpen Pressure and Height\u003c\/strong\u003e: \u003cspan\u003e610 @ 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\u003eOut of Stock Message\u003c\/strong\u003e: \u003cspan\u003eCall for Availability\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\u003c\/div\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":47337058828426,"sku":"BBPB-221443-16","price":534.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_221443-1-ang45_2000x2000_normalized.jpg?v=1776757789","url":"https:\/\/www.onlyinstock.com\/products\/manley-221443-16","provider":"Only In Stock","version":"1.0","type":"link"}