{"product_id":"comp-cams-valve-springs-1-300in-gm-ls1-d-cca26921-16","title":"COMP Cams Valve Springs 1.300in Gm LS1 D - cca26921-16","description":"Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today’s engine builders and racers. PartNumber : cca26921-16 Description : Race Valve Springs; 16 Pieces Title : 26921-16 Valve Springs, 1.300\" GM LS1 D UAL California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Coil Bind Height : 1.04 Compatible .570\" Guide Diameter Spring Seats : 4731-16 Compatible Retainer : 754-16 Compatible Shims : 4753 Compatible Spring Cup (O.D. Locator) : 4709-16 Damper : No Inner Spring Inside Diameter : 0.655 Number of Springs : 2 Outer Spring Inside Diameter : 0.895 Outer Spring Outside Diameter : 1.32 Seat Height : 1.77 Seat Pressure : 135 Spring Rate : 408 Inside Diameter(in) : 0.655 Open Pressure(lbs) : 400 Installed Pressure(lbs) : 135 Coil Bind Height(in) : 1.04 Installed Height(in) : 1.77 Open Height(in) : 1.12 Spring Type : Double Outside Diameter(in) : 1.3 Position : N\/A Camshaft Type : OEM Spring Rate(lbs\/in) : 408   Engine Components::Valve Springs, Retainers ","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":42580551893247,"sku":"","price":543.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/1106\/2015\/products\/1ce4ab29799b8a7776d4a55a2b573f1b__29685.jpg?v=1647914592","url":"https:\/\/aristocrat-autosport-llc.myshopify.com\/products\/comp-cams-valve-springs-1-300in-gm-ls1-d-cca26921-16","provider":"Aristocrat Autosport ","version":"1.0","type":"link"}