{"product_id":"wilwood-o-ring-kit-gp200-300-310-320-340-square-seal-4-pk","title":"Wilwood O-Ring Kit - GP200\/ 300\/310\/320\/340 Square Seal - 4 pk.","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e130-3602\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 889545007985\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eWilwood O-Ring Kit - GP200\/300\/310\/320\/340 Square Seal - 4 pk. Fits All Years Wilwood GP Series Calipers\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis Wilwood O-Ring Kit includes four square section seals with .729 inch ID x .070 inch cross-section for piston sealing in GP200 GP300 GP310 GP320 and GP340 calipers. These O-rings ensure fluid-tight operation to stop leaks under high-pressure braking in racing and performance applications. Kit arrives direct from Wilwood for fast caliper rebuilds in brake caliper rebuild kits.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Sizing:\u003c\/strong\u003e .729 ID x .070 CS matches GP series caliper bores for exact fit and reliable compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Profile Design:\u003c\/strong\u003e Provides greater contact area than round O-rings to resist extrusion under extreme brake pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temp Elastomer:\u003c\/strong\u003e Resists degradation from brake fluid heat up to 400F and repeated cycling for extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Pack Quantity:\u003c\/strong\u003e Includes spares for rebuilding multiple calipers or keeping on-hand for trackside service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Direct:\u003c\/strong\u003e Engineered and produced by Wilwood for consistent quality in every rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInspect caliper bores for scoring before installing new O-rings.\u003c\/li\u003e\n\u003cli\u003eStore in cool dry place to maintain material integrity.\u003c\/li\u003e\n\u003cli\u003ePackaged in protective poly bag for clean delivery.\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\u003eLubricate O-rings with Wilwood assembly fluid during install.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard Wilwood caliper rebuild kits and hardware.\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\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eWilwood\u003c\/td\u003e\n\u003ctd\u003eGP200\u003c\/td\u003e\n\u003ctd\u003eSquare Seal Caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eWilwood\u003c\/td\u003e\n\u003ctd\u003eGP300\u003c\/td\u003e\n\u003ctd\u003eSquare Seal Caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eWilwood\u003c\/td\u003e\n\u003ctd\u003eGP310\u003c\/td\u003e\n\u003ctd\u003eSquare Seal Caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eWilwood\u003c\/td\u003e\n\u003ctd\u003eGP320\u003c\/td\u003e\n\u003ctd\u003eSquare Seal Caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eWilwood\u003c\/td\u003e\n\u003ctd\u003eGP340\u003c\/td\u003e\n\u003ctd\u003eSquare Seal Caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Wilwood?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven components in NHRA NASCAR and SCCA racing.\u003c\/li\u003e\n\u003cli\u003eBrake parts built for high-heat high-pressure demands.\u003c\/li\u003e\n\u003cli\u003eExact engineering tolerances for zero-compromise sealing.\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 Which calipers use these O-rings?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Designed exclusively for Wilwood GP200 GP300 GP310 GP320 GP340 models with square seal pistons. Confirm your caliper series before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material resists brake fluid best?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Advanced fluoroelastomer compound handles DOT 3\/4\/5 fluids glycol ethers and temperatures over 400F without swelling or cracking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How long is the warranty on this kit?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Wilwood offers 90-day defect coverage. performance depends on proper installation and compatible rebuild procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp;amp. Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Poly bag in 4 x 4 x 1 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.10 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":43743927435343,"sku":"WIL130-3602","price":13.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/wilwood-o-ring-kit-gp200-300310320340-square-seal-4-pk_-wilwood.jpg?v=1767414865","url":"https:\/\/www.blackopsautoworks.com\/products\/wilwood-o-ring-kit-gp200-300-310-320-340-square-seal-4-pk","provider":"Black Ops Auto Works","version":"1.0","type":"link"}