{"title":"Valve Springs","description":"\u003carticle\u003e\n\u003ch1\u003eValve Springs: Performance Valve Springs, Dual Springs, LS Applications and High Lift Systems\u003c\/h1\u003e\n\u003cp\u003eValve springs are critical valvetrain components that control valve movement and maintain consistent valve timing across all engine speeds. They ensure that intake and exhaust valves close properly after camshaft actuation, preventing valve float and maintaining engine stability at high RPM.\u003c\/p\u003e\n\u003ch2\u003ePerformance Valve Springs\u003c\/h2\u003e\n\u003cp\u003ePerformance valve springs are designed for increased camshaft lift, higher RPM operation, and aggressive valve timing profiles. They provide higher seat pressure and improved resistance to valve float compared to OEM springs. Improper spring selection is a leading cause of valvetrain failure above 6,500–7,500 RPM.\u003c\/p\u003e\n\u003ch2\u003eEngine Valve Springs\u003c\/h2\u003e\n\u003cp\u003eEngine valve springs maintain controlled valve movement by applying consistent pressure throughout the camshaft cycle. This ensures proper combustion efficiency and prevents mechanical interference between valves and pistons during operation.\u003c\/p\u003e\n\u003ch2\u003eDual Valve Springs\u003c\/h2\u003e\n\u003cp\u003eDual valve springs use an inner and outer spring design to improve stability at high RPM. This configuration reduces harmonics and prevents valve float, making it ideal for performance camshafts and forced induction engines.\u003c\/p\u003e\n\u003ch2\u003eLS Valve Springs\u003c\/h2\u003e\n\u003cp\u003eLS valve springs are commonly used in GM LS-series engines and are frequently upgraded in performance builds. They support higher RPM ranges and increased airflow demands when paired with performance camshafts.\u003c\/p\u003e\n\u003ch2\u003eHigh Lift Valve Springs\u003c\/h2\u003e\n\u003cp\u003eHigh lift valve springs are engineered for aggressive camshaft profiles that require increased valve travel. They are essential in racing and high-performance engines where maximum airflow and cylinder filling are required.\u003c\/p\u003e\n\u003ch2\u003eEngine Builder Considerations\u003c\/h2\u003e\n\u003cp\u003eFor engine builders, valve spring selection must match camshaft profile, RPM range, and engine application. Incorrect spring pressure or geometry can result in valve float, power loss, or engine damage. Proper matching ensures reliable valvetrain control and consistent performance.\u003c\/p\u003e\n\u003c\/article\u003e","products":[{"product_id":"ventilfjadersats-titanretainers","title":"BTR Platinum LS Dual Spring Kit Titanium Retainers - .660\" Lift - SK001T","description":"\u003cp\u003eThe BTR platinum spring kit would be inducted into the LS aftermarket hall of fame if such a thing existed. Whether youre putting together a daily driver with a mild cam, a 600 hp N\/A stroker, or a turbocharged 1000 hp brawler, our platinum spring kit will make sure your valves are right where your cam wants them to be at all times. They are designed to be used with stock rocker arms. This is a drop-in kit for 15 LS heads. It will also work with LS7 heads when used with a .045 shim (Part numbers SS015 +SS030). This kit will not fit LS9 engines. See part # SK006 for LS9 heads.\u003c\/p\u003e\n\u003cp\u003eThe kit includes:\u003c\/p\u003e\n\u003cp\u003eSP001-1 dual polished spring (qty 16)\u003c\/p\u003e\n\u003cp\u003eVL78MM-1 locks (qty 32)\u003c\/p\u003e\n\u003cp\u003eTitanium (SR001-1)\u003c\/p\u003e\n\u003cp\u003eLocators for stock (SL505060-1)\u003c\/p\u003e\n\u003cp\u003eVS LS valve seals (qty 16)\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eSpring specs are as follows:\u003c\/p\u003e\n\u003cp\u003e155 lbs @ 1.780\"\u003c\/p\u003e\n\u003cp\u003e380 lbs @ 1.180\"\u003c\/p\u003e\n\u003cp\u003e400 lbs @ 1.130\"\u003c\/p\u003e\n\u003cp\u003eCoil bind @ 1.070\"\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":55050959847773,"sku":"BTRSK001T","price":4326.81,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1381\/2573\/files\/BB.jpg?v=1771233969"},{"product_id":"btr-platinum-ls-dual-spring-kit-660-lift-sk001","title":"BTR Platinum LS Dual Spring Kit - .660\" Lift - SK001","description":"\u003cp\u003e\u003cspan\u003eBTR PLATINUM LS DUAL SPRING KIT - .660\" LIFT - SK001\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cspan\u003eThe BTR Platinum Spring Kit would be inducted into the LS Aftermarket Hall of Fame if such a thing existed. Whether youre putting together a daily driver with a mild cam, a 600 hp N\/A stroker, or a turbocharged 1000 hp brawler, our Platinum Spring Kit will make sure your valves are right where your cam wants them to be at all times. They are designed to be used with stock rocker arms. If you go the roller rocker route, see part # SK002. This is a drop-in kit for 15 LS heads. It will also work with LS7 heads when used with a .045 shim (Part numbers SS015 +SS030). This kit will not fit LS9 engines. See part # SK006 for LS9 heads. The kit includes dual polished springs, locks, and your choice of: Titanium or Chromoly Steel Retainers Locators for Stock or Bronze Guides Valve Seals Spring specs are as follows: 155 lbs @ 1.780\" 380 lbs @ 1.180\" 400 lbs @ 1.130 Coil bind @ 1.070\"\u003c\/span\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":58412967428445,"sku":"BTR-SK001S","price":4199.26,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1381\/2573\/files\/sk001_st_ret_2.jpg?v=1762246023"},{"product_id":"sk001t565","title":"Platinum Dual Spring LS Kit Titanium Retainer","description":"\u003cdiv class=\"marginzeropaddingzero row\"\u003e\n\u003cdiv class=\"heading-1\"\u003eValve Spring Kit, Dual Spring, 380 lb\/in Spring Rate, 1.070 in Coil Bind, 1.300 in OD, Locks \/ Titanium Retainers \/ Viton Seals \/ Seats, GM LS-Series, Kit\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":58412967657821,"sku":"BTR-SK001T565","price":4029.39,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1381\/2573\/files\/sk001_ti_ret.jpg?v=1770374436"},{"product_id":"btrsp011-16","title":"BTR LS6 Beehive Spring - .560 Lift - 16 PC Kit - SP011-16","description":"\u003cp\u003e\u003cspan data-pb-style=\"620385556C399\"\u003eBTR's .560\" lift LS6-style valve springs gives you all of the performance of the venerable OEM LS6 valve spring (GM part # 12499224 or 12586484) at a fraction of the cost. These springs pair perfectly with our truck series camshafts and are also a great option for replacing worn out or broken springs in stock applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"620385556C3A6\"\u003e100 lbs @ 1.800\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"620385556C3B2\"\u003e285 lbs @ 1.240\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"620385556C3BE\"\u003eCoil bind @ 1.150\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"marginzeropaddingzero row\"\u003e\n\u003cdiv class=\"heading-1\"\u003eValve Spring, Ovate Beehive Spring, 330 lb\/in Spring Rate, 1.150 in Coil Bind, 1.248 in OD, Set of 16\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":58412968051037,"sku":"BTRSP011-16","price":1780.96,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1381\/2573\/files\/m2_sp011_16_22.jpg?v=1762332865"},{"product_id":"vs677","title":"Valve Springs","description":"","brand":"Sealed Power","offers":[{"title":"Default Title","offer_id":58412975948125,"sku":"SEA-VS677","price":57.25,"currency_code":"SEK","in_stock":true}]},{"product_id":"valve-spring-max-effort-dual-spring-375-lb-in-spring-rate-1-050-in-coil-bind-1-437-in-od-set-of-16","title":"Valve Spring, Max Effort, Dual Spring, 375 lb\/in Spring Rate, 1.050 in Coil Bind, 1.437 in OD, Set of 16","description":"","brand":"Howards Cams","offers":[{"title":"Default Title","offer_id":58755810132317,"sku":"HRC98441","price":2028.94,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1381\/2573\/files\/HRC98441.jpg?v=1775384628"},{"product_id":"valve-checking-springs-7-8-in-diameter-x-2-in-tall-steel-set-of-8","title":"Valve Checking Springs, 7\/8 in Diameter x 2 in Tall, Steel, Set of 8","description":"","brand":"Moroso","offers":[{"title":"Default Title","offer_id":58811080212829,"sku":"MOR62380","price":260.62,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1381\/2573\/files\/MOR62380.jpg?v=1760623675"},{"product_id":"btr-625-lift-beehive-valve-spring-kit","title":"BTR .625\" LIFT BEEHIVE VALVE SPRING KIT","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBTR .625\" LIFT BEEHIVE VALVE SPRING KIT - .045\" THICK LOCATORS - BTR-SK018\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBTR is proud to introduce their new SK018 Beehive style valve spring kit. This is a great option for camshafts using less than .625\" valve lift. This budget friendly valve spring kit was designed to use their beehive locator, and factory retainers and locks. Features include tumble polishing for reduced stress risers and a quality appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BTR SK018 valve spring kit works for a wide range of applications, whether you're looking for longevity in street applications, or for use in single valve spring only limited racing classes, BTR has you covered.\u003c\/span\u003e\u003cspan\u003eAs with all BTR valve springs, they have been extensively tested on their in house Spintron machine and engine dyno.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNOTE: CANNOTBE USED WITH OEM HAT STYLE VALVE SEALS.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSpring specs:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e125lbs @ 1.800\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e350lbs @ 1.200\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e365lbs @ 1.175\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCoil bind @ 1.100\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eI.D. top of spring .645\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eO.D. top of spring 1.02\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eI.D. bottom of spring .9115\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eO.D. bottom of spring 1.285\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKit includes:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(16) SP018-1 valve springs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(1) VS LS KIT valve seal set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(1) SL505045BH-16 spring locator set (0.45\" Thickness)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNOTE - BTR does not recommend single wire conical or beehive springs with roller rockers due to the extra mass causing loss of valve train stability, or the use of a higher ratio rocker as it could possibly cause a coil bind issue.\u003c\/span\u003e\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":63616005800285,"sku":"BTRSK018","price":2825.54,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1381\/2573\/files\/btr-sk018_1_of_2.jpg?v=1772017428"},{"product_id":"spring-dual-1-625-od-ea-1200-series-drt22000002","title":"Spring - Dual 1.625\" OD EA 1200 Series","description":"\u003cp\u003eSpring - Dual 1.625\" OD EA 1200 Series\u003c\/p\u003e","brand":"Dart","offers":[{"title":"Default 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