{"product_id":"manley-small-block-chevy-ls-series-600in-lift-single-nextek-high-perf-valve-springs","title":"Manley Small Block Chevy LS Series .600in Lift Single NexTek High Perf Valve Springs - 221428-16","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\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManley Valve Spring, SPRING-1.311 SINGLE\u003c\/li\u003e\n\u003cli\u003eProduct Market: Domestic\u003c\/li\u003e\n\u003cli\u003eAverage Gram Weight: 79\u003c\/li\u003e\n\u003cli\u003eProduct Type: Engine Valve Spring\u003c\/li\u003e\n\u003cli\u003eValve Spring Outer Diameter - Top: 1.076\u003c\/li\u003e\n\u003cli\u003eValve Spring Inner Diameter - Top: 0.650\u003c\/li\u003e\n\u003cli\u003eValve Spring Outer Diameter - Bottom: 1.311\u003c\/li\u003e\n\u003cli\u003eValve Spring Inner Diameter - Bottom: 0.885\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 Type: Single Conical Ovate Wire\u003c\/li\u003e\n\u003cli\u003eValve Spring Coil Bind Height: 1.085\u003c\/li\u003e\n\u003cli\u003eValve Spring Rate: 341\u003c\/li\u003e\n\u003cli\u003eValve Lift - Maximum: 0.600\u003c\/li\u003e\n\u003cli\u003eInstalled Pressure and Height: 150 @ 1.800\u003c\/li\u003e\n\u003cli\u003eOpen Pressure and Height: 355 @ 1.200\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-1.311 SINGLE\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\u003cli\u003eProp 65 - Short Label: Prop 65 Warning Label.JPG\u003c\/li\u003e\n\u003cli\u003eEngine Type: ICE\u003c\/li\u003e\n\u003cli\u003eMake: Chevrolet\u003c\/li\u003e\n\u003cli\u003eEngine: LS-Series\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":52481068138859,"sku":"MAN221428-16","price":419.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/public_3d9a470c-ff16-40f0-9a5b-981ff6e9f6e5.jpg?v=1778199538","url":"https:\/\/www.raptorracing.ca\/products\/manley-small-block-chevy-ls-series-600in-lift-single-nextek-high-perf-valve-springs","provider":"Raptor Racing","version":"1.0","type":"link"}