{"product_id":"manley-221428-16-valve-spring-1-311-single","title":"MANLEY 221428-16 Valve Spring 1.311 Single","description":"\u003ch2\u003eDescription MANLEY 221428-16 Valve Spring 1.311 Single\u003c\/h2\u003e\u003cp\u003eManley Performance valve springs are engineered for maximum durability, stability, and precision in high-performance and racing applications.\u003c\/p\u003e \u003cp\u003eCrafted from premium chrome-silicon alloys, these springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDual and triple valve spring designs\u003c\/li\u003e \u003cli\u003eDesigned to handle aggressive cam profiles\u003c\/li\u003e \u003cli\u003eHelps prevent valve float\u003c\/li\u003e \u003cli\u003eSuitable for naturally aspirated and forced induction applications\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProduct Market: Domestic\u003c\/li\u003e \u003cli\u003eAverage Gram Weight: 79 GR\u003c\/li\u003e \u003cli\u003eEmissions Code: 3\u003c\/li\u003e \u003cli\u003eProduct Type: Engine Valve Spring\u003c\/li\u003e \u003cli\u003eValve Spring Quantity: 16\u003c\/li\u003e \u003cli\u003eValve Spring Series: NexTek Series\u003c\/li\u003e \u003cli\u003eValve Spring Type: Single Conical Ovate Wire\u003c\/li\u003e \u003cli\u003eValve Spring Rate: 341 PPI\u003c\/li\u003e \u003cli\u003eValve Lift – Maximum: 0.600 IN\u003c\/li\u003e \u003cli\u003eInstalled Pressure and Height: 150 @ 1.800 PPI\u003c\/li\u003e \u003cli\u003eOpen Pressure and Height: 355 @ 1.200 PPI\u003c\/li\u003e \u003c\/ul\u003e","brand":"MANLEY","offers":[{"title":"Default Title","offer_id":43225966936244,"sku":"221428-16","price":384.37,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/145361-manley-221428-16-1.jpg?v=1787251366","url":"https:\/\/atomic-shop.eu\/products\/manley-221428-16-valve-spring-1-311-single","provider":"ATOMIC-SHOP Performance Parts \u0026 Motorsport Equipment - EU","version":"1.0","type":"link"}