{"product_id":"79-93-foxbody-8-50-to-25-5-core-cage-upgrade-kit","title":"79-93 Foxbody 8.50 to 25.5 CORE Upgrade Kit","description":"\u003ch2\u003e79-93 Foxbody 8.50 to 25.5 CORE Upgrade Kit\u003c\/h2\u003e\n\u003cp\u003eYour Fox Body Mustang has outrun its 8.50 cert. Take it to 25.5 without starting over.\u003c\/p\u003e\n\u003cp\u003eThis kit adds the bars needed to bring your MRC Foxbody 8.50 cage up to our 25.5 CORE spec. CORE is our budget-minded line, built to get more people on the track and keep them safe at the same time.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTUBES IN GREY ARE NOT INCLUDED.\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKit is Un-Notched due to variations in non-MRC kits and variations in 8.50 installations \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrades an MRC 79-93 Foxbody 8.50 cage kit (straight door bars) to 25.5 CORE\u003c\/li\u003e\n\u003cli\u003eCertifiable to 25.5 according to NHRA specs, good for 7.50 seconds at 3,600 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle requirements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMust retain OEM floors, OEM door hinge pillars, OEM firewall, OEM doors and OEM rear fenders\u003c\/li\u003e\n\u003cli\u003eThis kit is NOT upgradable to 25.3\/25.2\/25.1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCAD designed, bent in-house at Moore Race Chassis in Moscow Mills, Missouri\u003c\/li\u003e\n\u003cli\u003e4130 chromoly\u003c\/li\u003e\n\u003cli\u003eWelding required\u003c\/li\u003e\n\u003cli\u003eBent to order. See our FAQs for current lead times.\u003c\/li\u003e\n\u003cli\u003eShipped on a pallet to reduce the chance of damage and lost tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease call to order if shipping to Canada or if you need any custom options: 636-791-1541\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll cage purchases are final. No refunds or returns.\u003c\/p\u003e","brand":"Moore Race Chassis","offers":[{"title":"Default Title","offer_id":67587184689320,"sku":"MRC8103N","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0362\/8420\/3141\/files\/Screenshot2026-09-30130927.png?v=1790791955","url":"https:\/\/mooreracechassis.com\/products\/79-93-foxbody-8-50-to-25-5-core-cage-upgrade-kit","provider":"Moore Race Chassis","version":"1.0","type":"link"}