{"product_id":"manley-nextek-series-1-640-od-8602-id-900-lift-sportsman-and-bracket-classes-valve-springs","title":"Manley NexTek Series 1.640 OD .8602 ID .900 Lift Sportsman and Bracket Classes Valve Springs - 221425-16","description":"\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\n\u003ch3\u003eFeatures\u003c\/h3\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\n\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManley Valve Spring, SPRING-1.640 DOUBLE\u003c\/li\u003e\n\u003cli\u003eProp 65 - Short Label: Prop 65 Warning Label.JPG\u003c\/li\u003e\n\u003cli\u003eEngine Type: ICE\u003c\/li\u003e\n\u003cli\u003eProduct Market: Domestic\u003c\/li\u003e\n\u003cli\u003eAverage Gram Weight: 160\u003c\/li\u003e\n\u003cli\u003eProduct Type: Engine Valve Spring\u003c\/li\u003e\n\u003cli\u003eValve Spring Outer Diameter: 1.640\u003c\/li\u003e\n\u003cli\u003eValve Spring Inner Diameter: 0.860\u003c\/li\u003e\n\u003cli\u003eValve Spring Quantity: 16\u003c\/li\u003e\n\u003cli\u003eValve Spring Series: NexTek? Series\u003c\/li\u003e\n\u003cli\u003eValve Spring Material: Chrome Silicon\u003c\/li\u003e\n\u003cli\u003eValve Spring Type: Double\u003c\/li\u003e\n\u003cli\u003eValve Spring Coil Bind Height: 1.150\u003c\/li\u003e\n\u003cli\u003eValve Spring Rate: 604\u003c\/li\u003e\n\u003cli\u003eValve Lift - Maximum: 0.900\u003c\/li\u003e\n\u003cli\u003eInstalled Pressure and Height: 280 @ 2.100\u003c\/li\u003e\n\u003cli\u003eOpen Pressure and Height: 795 @ 1.250\u003c\/li\u003e\n\u003cli\u003eIndustry: Automotive\u003c\/li\u003e\n\u003cli\u003eOut of Stock Message: Call for Availability\u003c\/li\u003e\n\u003cli\u003eTitle: Manley Valve Spring, SPRING-1.640 DOUBLE\u003c\/li\u003e\n\u003cli\u003eProp 65 Yes\/No: Yes\u003c\/li\u003e\n\u003cli\u003eProp 65 (C, R or CR): CR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":52481067909483,"sku":"MAN221425-16","price":573.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/public_e1eec84d-174f-442e-b45f-631a78eec434.jpg?v=1778199542","url":"https:\/\/www.raptorracing.ca\/products\/manley-nextek-series-1-640-od-8602-id-900-lift-sportsman-and-bracket-classes-valve-springs","provider":"Raptor Racing","version":"1.0","type":"link"}