{"product_id":"ast-linear-race-springs-140mm-length-x-80-n-mm-rate-x-61mm-id-single","title":"AST Linear Race Springs - 140mm Length x 80 N\/mm Rate x 61mm ID - Single","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eAST-140-80-61\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e astAST-140-80-61\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eUniversal AST Linear Race Springs - 140mm Length x 80 N\/mm Rate x 61mm ID - Single\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAST Linear Race Springs deliver a consistent 80 N\/mm rate in a compact 140mm length with 61mm inner diameter for precise coilover setups. This single spring suits universal race applications including custom track cars drift vehicles and performance builds requiring reliable suspension response. Engineered for demanding motorsport use it maintains shape under high loads for repeatable lap times.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Rate Design:\u003c\/strong\u003e 80 N\/mm constant rate provides predictable suspension travel and handling feedback in corners and straights\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Length:\u003c\/strong\u003e 140mm dimension supports lowered setups with sufficient droop and bump travel for track stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 61mm ID matches common coilover perches and retainers for direct fit in AST and compatible systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction Materials:\u003c\/strong\u003e High-tensile chrome-silicon steel shot-peened and heat-treated resists fatigue extends service life in race conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish and Prep:\u003c\/strong\u003e Powder-coated exterior with preset winding prevents corrosion ensures zero initial sag from install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair with matching springs for balanced ride height and alignment\u003c\/li\u003e\n\u003cli\u003eStore in dry conditions to preserve coating and performance\u003c\/li\u003e\n\u003cli\u003ePackaged in protective sleeve for damage-free transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eConfirm perch and seat width align with 61mm ID before assembly\u003c\/li\u003e\n\u003cli\u003eCompatible with AST coilover bodies and standard threaded collars\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eRace Coilover Builds\u003c\/td\u003e\n\u003ctd\u003eAll Track\/Drift Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose AST?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in international racing series from endurance to rally\u003c\/li\u003e\n\u003cli\u003eMade in Europe with tight tolerances for consistent rates\u003c\/li\u003e\n\u003cli\u003eAdvanced manufacturing including dual grinding for smooth operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this spring fit specific coilover brands?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Fits AST coilovers and any 61mm ID perch system verify seat dimensions and block length for your strut or shock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and treatment does it use?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Chrome-silicon steel alloy shot-peened stress-relieved and powder-coated for maximum durability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Covered by AST manufacturer defect warranty typically 1 year contact supplier for claim process and terms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Clearance special order ships within 3-5 business days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective cardboard tube 6.3 x 2.8 x 2.8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AST","offers":[{"title":"Default Title","offer_id":42056972894287,"sku":"ASTAST-140-80-61","price":85.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ast-linear-race-springs-140mm-length-x-80-nmm-rate-x-61mm-id-single-ast.jpg?v=1771569851","url":"https:\/\/www.blackopsautoworks.com\/products\/ast-linear-race-springs-140mm-length-x-80-n-mm-rate-x-61mm-id-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}