{"product_id":"comp-cams-h604-16-beehive-hustler-springs-for-gm-604-ct525-ls-crate-engine","title":"COMP Cams H604-16 - GM 603\/604 0.570in Lift 1.077\/1.282 OD Beehive Hustler Valve Spring Kit","description":"\u003cp\u003eCOMP Cams H604-16 - GM 603\/604 0.570in Lift 1.077\/1.282 OD Beehive Hustler Valve Spring Kit\u003c\/p\u003e\u003cp\u003eValve Spring - Ovate Beehive Spring - 386 lb\/in Spring Rate - 1.181 in Coil Bind - 1.077 in \/ 1.282 in OD - Set of 16\u003c\/p\u003e\u003cp\u003eVisually identical to the blue LS6 springs, Hustler Beehive Springs add 4% higher load than stock for better valve control over stock. This spring delivers an advantage in circle track racing for those willing to bend the rules.\u003c\/p\u003e\u003cp\u003eCOMP Cams Hustler Valve Springs are an improved version of the popular GM LS6 \"blue\" valve spring. They are based on popular GM part #12499224 and #12565313 LS6 springs but with 4% higher seat and open loads for better dynamic control, as well as an extra .020\" of lift capability. They are an excellent performance upgrade in GM 603\/604 and CT525 LS crate Race Applications with tight rules packages.\u003c\/p\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exemption Reason\u003c\/strong\u003e: \u003cspan\u003eNo impact on pollution output of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. E.O. Number\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNumber of Springs\u003c\/strong\u003e: \u003cspan\u003e1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Shims\u003c\/strong\u003e: \u003cspan\u003e4753\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSpring Style\u003c\/strong\u003e: \u003cspan\u003eBeehive\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Series\u003c\/strong\u003e: \u003cspan\u003ePerformance Street\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDamper\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Titanium Retainer\u003c\/strong\u003e: \u003cspan\u003e722-1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Tool Steel Retainer\u003c\/strong\u003e: \u003cspan\u003e1772-1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Chromemoly Steel Retainer\u003c\/strong\u003e: \u003cspan\u003e774-1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Spring Seat \/ Seals\u003c\/strong\u003e: \u003cspan\u003e528-KIT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSpring Rate\u003c\/strong\u003e: \u003cspan\u003e386\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTop Outside Diameter\u003c\/strong\u003e: \u003cspan\u003e1.077\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOpen Load\u003c\/strong\u003e: \u003cspan\u003e304\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeat Pressure\u003c\/strong\u003e: \u003cspan\u003e92\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInstalled Height\u003c\/strong\u003e: \u003cspan\u003e1.8\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCoil Bind Height\u003c\/strong\u003e: \u003cspan\u003e1.181\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBottom Inside Diameter\u003c\/strong\u003e: \u003cspan\u003e0.86\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBottom Outside Diameter\u003c\/strong\u003e: \u003cspan\u003e1.282\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTop Inside Diameter\u003c\/strong\u003e: \u003cspan\u003e0.655\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes, but must be a race\/competition only vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for On-Road Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":49960326332694,"sku":"COMP-H604-16","price":356.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_h604-16_3_normalized.jpg?v=1776462548","url":"https:\/\/www.cspracing.com\/products\/comp-cams-h604-16-beehive-hustler-springs-for-gm-604-ct525-ls-crate-engine","provider":"Complete Street Performance","version":"1.0","type":"link"}