{"product_id":"mcp-master-cylinder-7-8-with-an-3-fitting","title":"MCP  Master Cylinder - 7\/8\" with AN-3 Fitting","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe MCP 18875B is the gold standard brake master cylinder for quarter midget racing — and for good reason. This black anodized billet aluminum cylinder delivers reliable, consistent brake feel whether you're setting up a new car or upgrading from the older cast #875 unit.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe 7\/8\" bore delivers firm, progressive pedal response that drivers and crew chiefs trust on the track. The AN-3 fitting makes for a clean, leak-resistant line connection, and the billet construction keeps weight under 1 lb. without sacrificing durability. When paired with a standard 650QB Brake Caliper commonly used for quarter midgets, use with \u003ca href=\"https:\/\/vastqm.com\/search?q=brake+fluid\" title=\"DOT 5 Brake Fluid for quarter midget racing\"\u003eDOT5 brake fluid\u003c\/a\u003e only.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWhether you're building a new quarter midget, refreshing an existing brake setup, or sourcing parts for a kart or micro sprint, the MCP 18875B is a proven, pit-proven choice trusted across youth and amateur motorsports.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecs at a Glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBore: 7\/8\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFitting: AN-3\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eConstruction: Billet aluminum, black anodized\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBrake Fluid Compatibility: DOT 5 Only\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMounting: 5\/16\" (8mm) holes, 1-5\/16\" center-to-center bolt pattern\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDimensions: approximately 5\" × 1\" × 4-1\/4\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWeight: Under 1 lb.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReplaces: MCP #875 cast master cylinder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApplications: Quarter midgets, karts, micro sprints, mini sprints, Jr. dragsters, and other small-displacement racing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003ca href=\"https:\/\/vastqm.com\/collections\/vendors?q=MCP\" title=\"MCP Brake Components for quarter midget racing\"\u003e\u003cstrong\u003eMCP Racing\u003c\/strong\u003e\u003c\/a\u003e is one of the most trusted names in small-car brake components. Their master cylinders are found on winners at tracks across the country — from local QMA and NASCAR Youth Series clubs to national-level competition.\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554763239517,"sku":"18875B","price":138.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/mcp-18875B-brake-master-cylinder.jpg?v=1782764918","url":"https:\/\/vastqm.com\/products\/mcp-master-cylinder-7-8-with-an-3-fitting","provider":"Vast Quarter Midget Racing","version":"1.0","type":"link"}