{"product_id":"wilwood-aero4-big-rear-brake-kit-140-11119-dr-forged-dynalite-calipers","title":"Wilwood AERO4 Big Rear Brake Kit | 140-11119-DR | Forged Dynalite Calipers","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e \u003c\/p\u003e\u003ch1\u003e\u003cstrong\u003eWilwood AERO4 Big Rear Brake Kit 140-11119-DR | Ultimate Product Guide\u003c\/strong\u003e\u003c\/h1\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe Wilwood 140-11119-DR AERO4 Big Rear Brake Kit is a high-performance, complete solution designed to deliver exceptional stopping power and modern braking technology to the rear of your classic muscle car, street rod, or restomod. This kit is engineered around Wilwood’s renowned \u003cstrong\u003eforged AERO4 calipers\u003c\/strong\u003e, which are not only incredibly strong and lightweight but also feature integrated \u003cstrong\u003eparking brake functionality\u003c\/strong\u003e – a critical feature for street-driven vehicles.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe centerpiece of the system is a massive \u003cstrong\u003e12.19-inch directional vented rotor\u003c\/strong\u003e paired with a four-piston caliper, providing a significant increase in brake torque and heat capacity over stock drum brakes or smaller disc setups. Designed as a complete bolt-on package, this kit includes everything needed for a conversion, making it the ultimate choice for enthusiasts who demand top-tier performance without compromising on convenience or safety.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h2\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eSpecification\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eWilwood Disc Brakes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e140-11119-DR\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eComplete Big Brake Kit (Rear)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCaliper\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eForged AERO4 Dynalite (4-Piston)\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCaliper Finish\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eRed (Powder Coat)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e12.19″ (309.6mm) Diameter\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eDirectional Vented Rotor, Slotted\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Hat Material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e6061-T6 Aluminum Billet\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eParking Brake\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eIntegrated, Mechanical\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eIncluded Hardware\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCalipers, Rotors, Hats, Brackets, Lines, Pads\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eIntegrated Parking Brake:\u003c\/strong\u003e The mechanical parking brake is built into the caliper, meeting legal requirements for street use and providing security on inclines.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eForged AERO4 Calipers:\u003c\/strong\u003e Forged construction offers superior strength and rigidity compared to cast calipers, reducing flex and improving pedal feel.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eLarge Vented Rotors:\u003c\/strong\u003e 12.19″ rotors provide massive thermal capacity to resist fade during repeated hard stops and improve overall braking efficiency.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eComplete Bolt-On Kit:\u003c\/strong\u003e Includes every component needed for installation: calipers, rotors, mounting brackets, hardware, brake lines, and brake pads.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e Aluminum rotor hats and forged calipers reduce unsprung weight, improving suspension response and handling.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eHigh-Performance Pads:\u003c\/strong\u003e Includes Wilwood’s BP-10 compound pads, offering excellent bite and modulation for street and aggressive driving.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eWilwood Big Brake Kit vs. Stock Drum Brakes: Comparison Table\u003c\/strong\u003e\u003c\/h2\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThis table highlights the transformative upgrade this kit provides.\u003c\/p\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eWilwood AERO4 Big Rear Kit\u003c\/th\u003e \u003cth\u003eFactory Drum Brakes\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStopping Power\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eExceptional (Massive Increase)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAdequate (Fades Easily)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHeat Dissipation\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eExcellent (Large Vented Rotors)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePoor (Heat Soaks Quickly)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModulation \u0026amp; Feel\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003ePrecise, Firm Pedal\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eVague, Often Soft\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eLighter (Reduces Unsprung Weight)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeavier\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eParking Brake\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eIntegrated Mechanical\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eInternal Drum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModern Performance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eYes (Track-Capable for Street)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eNo (Outdated Technology)\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eAesthetics\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eHigh-Performance Show Quality\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHidden, Utilitarian\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h2\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ1: Is this a direct bolt-on for my vehicle?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e The part number \u003cstrong\u003e140-11119-DR\u003c\/strong\u003e is designed for specific applications (e.g., certain years of Chevrolet Nova, Camaro, etc.). You \u003cstrong\u003emust confirm compatibility\u003c\/strong\u003e with your specific year, make, and model. It will typically bolt on to the stock rear axle housing or spindle without modification.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ2: Does this kit include a parking brake?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA: Yes, this is a key feature.\u003c\/strong\u003e The Wilwood AERO4 calipers include an integrated, mechanically-actuated parking brake system that is fully functional for street use.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ3: What is the advantage of forged calipers?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e Forged calipers are machined from a solid block of aluminum, making them significantly stronger and more rigid than cast calipers. This reduces flex under high pedal pressure, leading to a firmer pedal feel and more consistent performance.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ4: Will these clear my stock wheels?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e Large brake kits often require larger-diameter wheels. This kit with 12.19″ rotors will typically require \u003cstrong\u003e17-inch or larger wheels\u003c\/strong\u003e for proper clearance. Always check Wilwood’s wheel clearance template for this specific kit before purchasing.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ5: What brake pads are included?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e This kit comes with Wilwood’s \u003cstrong\u003eBP-10 compound pads\u003c\/strong\u003e. They are an excellent street performance pad with good cold bite, low dust, and low noise, perfect for aggressive street driving and occasional track use.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ6: Do I need to change my master cylinder or proportioning valve?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e When converting from drum to disc brakes in the rear, it is \u003cstrong\u003ehighly recommended\u003c\/strong\u003e to also upgrade your master cylinder and install an adjustable proportioning valve. Disc brakes require higher fluid volume and different hydraulic pressure than drums. Wilwood offers matching master cylinders and valves for a complete system upgrade.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003ePros and Cons\u003c\/strong\u003e\u003c\/h2\u003e \u003ch3\u003e\u003cstrong\u003ePros:\u003c\/strong\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes everything for a full conversion—no guesswork or sourcing additional parts.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eIntegrated Parking Brake:\u003c\/strong\u003e Solves the biggest challenge of rear disc brake conversions for street cars.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eSuperior Performance:\u003c\/strong\u003e Massive increase in stopping power, fade resistance, and pedal modulation.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eHigh-Quality Components:\u003c\/strong\u003e Features forged calipers, billet aluminum hats, and slotted rotors.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eReduced Unsprung Weight:\u003c\/strong\u003e Improves handling and suspension response.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eShow-Stopping Looks:\u003c\/strong\u003e Adds a serious performance aesthetic to your vehicle.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cstrong\u003eCons:\u003c\/strong\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eHigh Cost:\u003c\/strong\u003e A significant investment compared to rebuilding stock drums.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eWheel Size Requirement:\u003c\/strong\u003e Will likely require upgrading to 17-inch or larger wheels.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003ePotential for Additional Upgrades:\u003c\/strong\u003e May necessitate a master cylinder and proportioning valve upgrade for optimal function.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Proper installation and bleeding are critical for safety and performance.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eConclusion \u0026amp; Best Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe \u003cstrong\u003eWilwood 140-11119-DR AERO4 Big Rear Brake Kit\u003c\/strong\u003e is a premium, no-compromise solution for anyone serious about upgrading their vehicle’s braking performance. It seamlessly blends race-derived technology with essential street features like a parking brake.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eYou should choose this kit if:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou are converting from \u003cstrong\u003edrum to disc brakes\u003c\/strong\u003e on your classic car.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou need a \u003cstrong\u003ecomplete, bolt-on package\u003c\/strong\u003e with a functional parking brake.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou demand \u003cstrong\u003emaximum stopping power\u003c\/strong\u003e for street, autocross, or track day use.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou have \u003cstrong\u003e17-inch or larger wheels\u003c\/strong\u003e to clear the massive rotors and calipers.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou want the \u003cstrong\u003ebest possible pedal feel\u003c\/strong\u003e and modulation from a forged caliper.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eFor a top-tier braking upgrade that enhances safety, performance, and appearance, the Wilwood AERO4 Big Brake Kit is an outstanding investment.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e Brake systems are critical safety components. Professional installation is highly recommended. Ensure the kit is compatible with your specific vehicle year, make, and model. Verify wheel clearance before purchase. A master cylinder upgrade and adjustable proportioning valve are strongly recommended when converting from drum to disc brakes. Always test the braking system at low speed in a safe area after installation.\u003c\/p\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160962134247,"sku":null,"price":3218.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/98481d4b-Wilwood-AERO4-Big-Rear-Brake-Kit.jpg?v=1780566419","url":"https:\/\/titanparthub.com\/products\/wilwood-aero4-big-rear-brake-kit-140-11119-dr-forged-dynalite-calipers","provider":"TITANPARTHUB","version":"1.0","type":"link"}