{"product_id":"watson-racing-irs-suspension-heavy-duty-9in-ford-2015-2023-mustang-wr-15-rearsubfrm","title":"Watson Racing IRS Suspension Heavy Duty 9in Ford (2015-2023 Mustang) WR-15-REARSUBFRM","description":"\u003ch2\u003eWatson Racing Lightweight 9in Rear subframe IRS\u003c\/h2\u003e\n\u003cp\u003eAdds strength and weighs less than stock. Fits Ford S550 2015+ Mustang. Designed for the serious racer that doesn’t want to cut up the back of their Mustang S550 to install a solid rear axle.\u003c\/p\u003e\n\u003cp\u003eThe features and benefits of our Mustang S550 IRS system are numerous!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEqual-length double A-arm design with adjustable Toe and Camber. Geometry designed specifically for drag racing means launching HARD and STRAIGHT.\u003c\/li\u003e\n\u003cli\u003e100-percent Tubular Chromoly construction is strong and saves weight. 110 pounds weight savings over stock!\u003c\/li\u003e\n\u003cli\u003eSubframe bolts in using all factory mounting points, with very little modification required for installation.\u003c\/li\u003e\n\u003cli\u003eFeatures Wilwood in-board disk brakes, reducing unsprung weight while allowing clearance to run an off-the-shelf 15-inch drag wheel(15x10 4.75 bolt circle).\u003c\/li\u003e\n\u003cli\u003eFabricated 9-inch Ford differential housing offers endless gear ratio options and makes center section changes a breeze (9-inch gear set\/differential not included).\u003c\/li\u003e\n\u003cli\u003eWe proudly partnered with G-Force Engineering on the custom 35-spline axles, included with the Watson IRS kit.\u003c\/li\u003e\n\u003cli\u003eBillet aluminum spindles provide incredible strength and light weight.\u003c\/li\u003e\n\u003cli\u003eHighest quality components throughout: Aurora Bearing rod ends, HOWE precision ball joints (re-build-able), Wilwood brakes, and G-Force axles, combined with double-shear design and high-strength Chromoly mean this system was meant to last.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProven and validated in Watson Racing's 2015 S550 Mustang street\/strip car. Which was the 1st fastest street-legal S550 Mustang on the planet, running consistent 8.50’s with over 1000-hp. Watson's S550 Mustang is seen here on the Watson Racing YouTube Page. This car hasn’t just made a few passes - it competes regularly in numerous NMRA and NMCA True Street competitions around the country!\u003c\/p\u003e\n\u003cp\u003eByePolr Performance is an Authorized Dealer, Call 1-855-827-7223\u003c\/p\u003e\n\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Watson Racing","offers":[{"title":"Yes","offer_id":43880496595037,"sku":"wr-15-rearsubfrm","price":434.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/watson-racing-heavy-duty-9in-lightweight-irs-15-17-mustang-wr-15-rearsubfrm-13__42994.1556191098.gif?v=1765134096","url":"https:\/\/www.byepolr.com\/products\/watson-racing-irs-suspension-heavy-duty-9in-ford-2015-2023-mustang-wr-15-rearsubfrm","provider":"ByePolr Performance","version":"1.0","type":"link"}