{"product_id":"manley-gm-ls-series-660in-max-lift-valve-spring-and-retainer-kit","title":"Manley GM LS Series .660in Max Lift Valve Spring and Retainer Kit","description":"\u003cp\u003eManley Performance LS \u0026amp; LT NexTek? valve spring kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these all-inclusive kits, featuring premium springs, retainers, I.D. locators, locks, and Viton? seals.\n\u003cbr\u003eMax Lift: 0.660\" - 7° Titanium Retainer (+.050) - I.D. Spring Locator (.505\") - 7° Machined Valve Lock - Viton Valve Stem Seals\n\u003cbr\u003eManley LS Valve Spring Kit, KIT-SPRING\/RETAINER\/LOCATOR\/LOCK\/SEAL\n\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e  \u003cli\u003eManley LS and LT Valve Spring Kits provide a complete, engineered solution, ensuring seamless compatibility for higher-lift camshafts and eliminating concerns with mismatched components.\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eNexTek  Valve Springs are manufactured from \"super clean\" Hi-Tensile Chrome Silicon steel and shot-peened to MIL spec for maximum fatigue life. Spring No. 221436-16\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e7  Machined Valve Locks use the highest quality steel alloy and are heat treated and black oxide finished. For 8mm (.3135\") valve stem. Lock No. 13098-16\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e7  Titanium Retainer CAD designed for ultimate reduction in mass without sacrificing strength. Retainer No. 23623-16 (Std. Installed Height)\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eI.D. Valve Spring Locator is CNC machined, heat treated, and black oxide finished. Locator No. 42334-16 (.505\" ID)\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eViton Valve Stem Seals offer exceptional resistance to heat, chemicals, and oils. Seal No. 24042-16\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eNote: Max. lift figures above may vary depending upon the cylinder head and installed height.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":46972564242585,"sku":"man26362334KS","price":504.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/2611\/3689\/files\/b6e653469a7f57283d27bed9dc2a9ccfL.jpg?v=1776624487","url":"https:\/\/msvracingpowersports.com\/products\/manley-gm-ls-series-660in-max-lift-valve-spring-and-retainer-kit","provider":"MSV Racing","version":"1.0","type":"link"}