{"product_id":"tsp-gen-v-lt4-660-dual-valve-spring-kit-with-pac-springs-and-titanium-retainers","title":"TSP Gen V LT4 .660 Dual Valve Spring Kit with PAC Springs and Titanium Retainers","description":"\u003cp\u003eTexas Speed \u0026amp; Performance .660-inch dual valve spring kit developed specifically for Gen V LT4 engines. This package combines application-specific PAC dual springs with titanium retainers and integrated seats and seals for compatible LT4 camshaft upgrades.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 16 LT4-specific PAC dual valve springs\u003c\/li\u003e\n\u003cli\u003eTitanium retainers\u003c\/li\u003e\n\u003cli\u003ePRC integrated spring seats and valve seals\u003c\/li\u003e\n\u003cli\u003e160 lb closed pressure at 1.810-inch installed height\u003c\/li\u003e\n\u003cli\u003e415 lb open pressure at .660-inch lift\u003c\/li\u003e\n\u003cli\u003e.660-inch recommended maximum lift\u003c\/li\u003e\n\u003cli\u003e1.015-inch coil bind height\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e For compatible Gen V LT4 cylinder heads. Verify cylinder-head and valve-guide configuration before installation. Factory valve locks are reused and are not included.\u003c\/p\u003e","brand":"Texas Speed \u0026 Performance","offers":[{"title":"Default Title","offer_id":54246089654591,"sku":"TSP-LT4660SpringKit","price":369.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/smgspeed.com\/products\/tsp-gen-v-lt4-660-dual-valve-spring-kit-with-pac-springs-and-titanium-retainers","provider":"SMGspeed","version":"1.0","type":"link"}