{"product_id":"wilwood-130-5972-o-ring-kit-1-62-1-12-square-seal-6-pk","title":"Wilwood O-Ring Kit - 1.62\/1.12\/1.12 Square Seal - 6 pk.","description":"\u003ch4\u003eKeep Your Calipers Sealed Tight With Genuine Wilwood Rings\u003c\/h4\u003e\n\u003cp\u003eWorn piston seals lead to fluid leaks and sluggish piston travel that rob your brakes of consistent bite. This Wilwood O-ring kit supplies the square-ring seals needed to service calipers built around 1.62in and 1.12in diameter pistons, restoring a tight seal so your calipers move freely and hold fluid pressure the way they should.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 6 square-ring seals sized for 1.62in and 1.12in diameter caliper pistons\u003c\/li\u003e\n\u003cli\u003eKit includes 2 rings sized for 1.62in pistons and 4 rings sized for 1.12in pistons\u003c\/li\u003e\n\u003cli\u003eMolded from durable 210M rubber for long service life\u003c\/li\u003e\n\u003cli\u003eCompatible with DOT 3, DOT 4, and DOT 5 brake fluids\u003c\/li\u003e\n\u003cli\u003eGenuine Wilwood replacement part for routine caliper maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003e130-5972\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWilwood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Type\u003c\/td\u003e\n\u003ctd\u003eSquare-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e210M Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Sizes Covered\u003c\/td\u003e\n\u003ctd\u003e1.62in and 1.12in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e6 rings (2 x 1.62in, 4 x 1.12in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Fluids\u003c\/td\u003e\n\u003ctd\u003eDOT 3, DOT 4, DOT 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eNot published by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2 square-ring seals sized for 1.62in pistons\u003c\/li\u003e\n\u003cli\u003e4 square-ring seals sized for 1.12in pistons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Wilwood\u003c\/h4\u003e\n\u003cp\u003eWilwood Engineering designs and manufactures brake systems and service components for street, off-road, and racing applications. Its caliper rebuild seals are molded to precise tolerances so every kit restores factory sealing performance on genuine Wilwood calipers.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/brakes\"\u003eShop our full brake parts collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/wilwood\"\u003eBrowse more Wilwood brake components\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the 130-5972?\u003c\/strong\u003e\n\u003cp\u003eThe 130-5972 is a Wilwood caliper rebuild kit with 6 square-ring seals sized for 1.62in and 1.12in diameter pistons, used for routine caliper maintenance.\u003c\/p\u003e\n\u003cstrong\u003eWhich calipers use this seal kit?\u003c\/strong\u003e\n\u003cp\u003eThis kit fits Wilwood calipers built with 1.62in and 1.12in diameter pistons.\u003c\/p\u003e\n\u003cstrong\u003eHow many seals are in the kit?\u003c\/strong\u003e\n\u003cp\u003eThe kit includes 6 total seals: 2 sized for 1.62in pistons and 4 sized for 1.12in pistons.\u003c\/p\u003e\n\u003cstrong\u003eWhat material are the seals made from?\u003c\/strong\u003e\n\u003cp\u003eThe seals are molded from 210M rubber for durability and long service life.\u003c\/p\u003e\n\u003cstrong\u003eAre these seals compatible with my brake fluid?\u003c\/strong\u003e\n\u003cp\u003eYes, these seals are compatible with DOT 3, DOT 4, and DOT 5 brake fluids.\u003c\/p\u003e\n\u003cstrong\u003eHow often should caliper seals be replaced?\u003c\/strong\u003e\n\u003cp\u003eWilwood recommends servicing caliper seals on a regular maintenance schedule to prevent fluid leakage and keep pistons moving freely.\u003c\/p\u003e\n\u003cstrong\u003eWill this kit fit calipers from other brands?\u003c\/strong\u003e\n\u003cp\u003eNo, this seal kit is designed specifically for genuine Wilwood calipers with matching piston sizes.\u003c\/p\u003e\n\u003cstrong\u003eDo I need any special tools to install these seals?\u003c\/strong\u003e\n\u003cp\u003eBasic hand tools and a clean workspace are typically sufficient, along with care to avoid nicking the new seals during installation.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRemove the caliper from the vehicle and drain any remaining brake fluid.\u003c\/li\u003e\n\u003cli\u003eDisassemble the caliper and remove the pistons from their bores.\u003c\/li\u003e\n\u003cli\u003eRemove and discard the old square-ring seals from each bore.\u003c\/li\u003e\n\u003cli\u003eClean the caliper bores and pistons thoroughly before installing new seals.\u003c\/li\u003e\n\u003cli\u003eInstall the correctly sized new square-ring seal into each bore, matching 1.62in and 1.12in positions.\u003c\/li\u003e\n\u003cli\u003eReassemble the caliper, reinstall it on the vehicle, and bleed the brake system.\u003c\/li\u003e\n\u003c\/ol\u003e\n","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":46250239230031,"sku":"WIL130-5972","price":20.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/WIL130-5972-1_0c6439fe-8175-479f-83cc-4f861b1dae99.webp?v=1785273511","url":"https:\/\/www.blackopsautoworks.com\/products\/wilwood-130-5972-o-ring-kit-1-62-1-12-square-seal-6-pk","provider":"Black Ops Auto Works","version":"1.0","type":"link"}