{"product_id":"wilwood-140-13321-dr","title":"Wilwood Red Rear Superlite 4R Parking Brake Package, 12.88-Inch SRP Rotors for Small Ford Bronco Axle Ends","description":"\u003cp\u003eRed radial-mount calipers operate on drilled-and-slotted 12.88-inch rotors in this Small Ford Bronco rear package. The parking-brake assembly sits within the hats and must connect to suitable separate cables. Founded by Bill Wood in 1977, Wilwood Engineering designs and manufactures disc brake systems from Camarillo, California. Its calipers, brake rotors, master cylinders, valves, fittings and brake lines serve motorsport, street-performance and specialized applications. Individual components must be selected for the complete brake system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 140-13321-DR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication and package:\u003c\/strong\u003e Rear Brake Kits - Street Performance; Rear Kits; Disc; Parking; Sold as a kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear axle-end interface:\u003c\/strong\u003e Small Ford Bronco; axle\/flange offset 2.36 in; 59.94 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded mechanical components:\u003c\/strong\u003e Mounting hardware: Yes; hub(s): No; spindle(s): No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic components supplied:\u003c\/strong\u003e Master cylinder: No; brake booster: No; brake lines: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecified pad compound:\u003c\/strong\u003e BP-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparate rotor-hat specification:\u003c\/strong\u003e Iron; Black E-Coat; offset 1.540 inch; part 170-13326\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor dimensions:\u003c\/strong\u003e 12.88 in; 327.15 mm outside diameter; 1.10 in; 27.94 mm thickness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor construction:\u003c\/strong\u003e Spec-37 Iron; Vented; SRP Drilled \u0026amp; Slotted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper assembly:\u003c\/strong\u003e Forged Narrow Superlite 4R; 4 pistons per caliper; Forged Aluminium body; Radial mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston and finish specification:\u003c\/strong\u003e Stainless pistons; Red calipers; Red Powder Coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic inlet:\u003c\/strong\u003e 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel bolt pattern(s):\u003c\/strong\u003e 5 x 5.5 in; 5 x 139.7 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud-hole \/ clearance provision:\u003c\/strong\u003e 0.640 in; 16.26 mm; diameter provision, not a thread designation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel diameter starting requirement:\u003c\/strong\u003e 17 in; 431.8 mm; verify the individual wheel against the installation drawing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eUse the housing-end drawing and 2.36-inch offset to identify the axle configuration. Check DS1016 for rotor-register and wheel clearance, then select the required flexible brake lines.\u003c\/p\u003e\u003cp\u003eA maximum flange diameter of 6.61 inches and a 0.050-inch x 45-degree chamfer are specified for rotor clearance. The illustrated register is 2.88 inches; select the documented centering arrangement and match both axle offset and housing-end bolt pattern.\u003c\/p\u003e\u003cp\u003eThe installation reference identifies Small Ford Bronco rear applications with 2700-lb axle\/10-inch drums for 1966–1973 and 2900-lb axle\/10-inch drums for 1974–1975. The measured2.36-inch offset and actual housing flange still govern selection.\u003c\/p\u003e\u003cp\u003eHydraulic hoses\/fittings and parking-brake cables, adapters and cable hardware are not included. Choose a compatible cable arrangement for the internal parking brake; universal cable systems may require vehicle or cable modifications.\u003c\/p\u003e\u003ch3\u003eManufacturer References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitsProdRear?itemno=140-13321-DR\"\u003eWilwood exact kit specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1016.pdf\"\u003eWilwood installation instructions DS1016\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/Images\/BrakeKits\/Axle-Offset-Worksheet-Wilwood.pdf\"\u003eAxle measurement worksheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePMB Performance has over 20 years of brake-parts experience. Send the installed component details if you need help checking this replacement.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67755882348722,"sku":"140-13321-DR","price":2299.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-13321-DR_kit-xl.jpg?v=1792431382","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-13321-dr","provider":"PMB Performance","version":"1.0","type":"link"}