{"product_id":"wilwood-forged-narrow-superlite-6r-big-brake-kit-front-kit-140-15945","title":"Wilwood Forged Narrow Superlite 6R Big Brake Kit | Front Kit 140-15945","description":"\u003cp\u003e\u003cstrong style=\"color: #1b1919;font-size: 22px\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eElevate your vehicle’s stopping power to professional levels with the Wilwood Forged Narrow Superlite 6R Big Brake Kit (140-15945). This comprehensive front brake system is engineered for high-performance drivers who demand superior braking force, exceptional heat management, and consistent pedal feel on the track, autocross course, or aggressive street driving. The kit’s core strength lies in its forged narrow “6R” profile calipers, which provide massive 6-piston clamping power while minimizing weight and clearing a wider range of factory and aftermarket wheels.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe heart of this system is the pair of forged aluminum Superlite 6R calipers. Unlike cast calipers, the forging process aligns the aluminum’s grain structure, resulting in a stronger, more rigid caliper that resists flex under extreme pressure, giving you precise modulation and control. These are paired with massive 12.19″ (309.6mm) rotors featuring curved-vane technology for optimal cooling, drastically reducing brake fade during repeated hard stops. For help selecting the perfect pad, read our guide \u003cstrong\u003e[Choosing the Right Brake Pad Compound for Your Driving Style]\u003c\/strong\u003e.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThis isn’t just an upgrade; it’s a complete transformation of your front braking system. Designed as a direct, bolt-on solution for specific vehicle applications, this kit includes everything needed for installation. Whether you’re pushing lap times or want absolute confidence on a canyon run, this system provides the thermal capacity and stopping power that stock brakes simply cannot match. Learn more about the engineering in our article \u003cstrong\u003e[The Advantages of Forged vs. Cast Brake Calipers]\u003c\/strong\u003e.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"ds-scroll-area _1210dd7\"\u003e \u003cdiv class=\"ds-scroll-area__gutters\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e \u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eSpecification\u003c\/th\u003e \u003cth\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eKit Part Number\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e140-15945\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCaliper Model\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eForged Narrow Superlite 6R\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCaliper Pistons\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e6-Piston (Differential Bore)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCaliper Material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eForged Aluminum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Diameter\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e12.19″ (309.6 mm)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eDirectional Vane, Slotted (2-Piece Optional)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Thickness\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0.81″ (20.6 mm)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eIron Alloy (AeroRotors Available)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePad Compound\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eWilwood Polymatrix Q (Included)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHardware Included\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCalipers, Rotors, Pads, Brackets, Hardware\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eComparison Table: Superlite 6R vs. OEM \u0026amp; Competitor Kits\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"ds-scroll-area _1210dd7\"\u003e \u003cdiv class=\"ds-scroll-area__gutters\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-bar\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eWilwood Superlite 6R Kit\u003c\/th\u003e \u003cth\u003eTypical OEM Performance Brakes\u003c\/th\u003e \u003cth\u003eCompetitor Big Brake Kit\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCaliper Construction\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eForged Aluminum\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCast Iron or Cast Aluminum\u003c\/td\u003e \u003ctd\u003eTypically Cast Aluminum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePiston Count\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e6-Piston Differential Bore\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2-Piston or 4-Piston\u003c\/td\u003e \u003ctd\u003e4-Piston or 6-Piston\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eSignificantly Lighter\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeavy\u003c\/td\u003e \u003ctd\u003eModerate\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRotor Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e12.19″ (Large Thermal Mass)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e11-13″ (Varies)\u003c\/td\u003e \u003ctd\u003e11.5-14″ (Varies)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eExcellent (Curved Vane Rotors)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eStandard\u003c\/td\u003e \u003ctd\u003eVaries\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePad Selection\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eExtensive Wilwood \u0026amp; Aftermarket\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLimited OEM Options\u003c\/td\u003e \u003ctd\u003eBrand Specific\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQs)\u003c\/strong\u003e\u003c\/h3\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ1: Will this big brake kit fit inside my factory wheels?\u003c\/strong\u003e\u003cbr\u003e The “Narrow” Superlite 6R profile is designed for maximum wheel clearance. However, fitment is dependent on your specific wheel’s inner barrel diameter and spoke design. Always check Wilwood’s specific fitment guide for your vehicle application or consult with our technical team for a definitive answer. You may also need to consider our \u003cstrong\u003e[Wilwood Wheel Spacers]\u003c\/strong\u003e for perfect clearance.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ2: What is the advantage of a differential bore piston design?\u003c\/strong\u003e\u003cbr\u003e The six pistons are sized in a progression (e.g., smaller pistons at the leading edge, larger at the trailing edge). This optimizes pressure distribution across the brake pad, reducing taper wear and improving overall pad life and consistency.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ3: Are these brakes suitable for daily driving?\u003c\/strong\u003e\u003cbr\u003e Yes, when paired with the correct pad compound like the included Polymatrix Q, they are very streetable with low noise and dust. However, their true potential is realized during high-performance driving. For a more dedicated track setup, you would want to switch to a more aggressive pad like the \u003cstrong\u003e[Wilwood BP-20 or BP-30 Track Pads]\u003c\/strong\u003e.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ4: What is required for a proper brake bleed with this kit?\u003c\/strong\u003e\u003cbr\u003e A thorough brake bleed is critical. We recommend using a high-temperature, high-performance brake fluid like \u003cstrong\u003e[Wilwood EXP 600 Plus Brake Fluid]\u003c\/strong\u003e and a pressure bleeder to ensure all air is purged from the system for a firm pedal.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ5: Does this kit include a parking brake?\u003c\/strong\u003e\u003cbr\u003e No, the Wilwood 140-15945 is a front brake kit only and does not incorporate a parking brake function. The parking brake remains with your stock rear brakes. For a complete stop, consider pairing it with a matching \u003cstrong\u003e[Wilwood Rear Big Brake Kit]\u003c\/strong\u003e.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003ePros and Cons\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"ds-scroll-area _1210dd7\"\u003e \u003cdiv class=\"ds-scroll-area__gutters\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-bar\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003ePros\u003c\/th\u003e \u003cth\u003eCons\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eMassive Stopping Power\u003c\/strong\u003e \u0026amp; excellent modulation\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003ePremium Price\u003c\/strong\u003e compared to stock replacement parts\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eSuperior Heat Management\u003c\/strong\u003e reduces fade\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003ePotential Wheel Fitment Issues\u003c\/strong\u003e must be verified\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eLightweight Forged Calipers\u003c\/strong\u003e reduce unsprung weight\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eNo Parking Brake\u003c\/strong\u003e (front kit only)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eWide Range of Pad Compounds\u003c\/strong\u003e available\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eCan be Overkill\u003c\/strong\u003e for purely street-driven vehicles\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eConsistent Pedal Feel\u003c\/strong\u003e under extreme conditions\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003ePossible Rotor Warping\u003c\/strong\u003e if not bed-in properly\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eBolt-On Installation\u003c\/strong\u003e for specified applications\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eIncreased Dust\u003c\/strong\u003e vs. OEM, depending on pad compound\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eConclusion \u0026amp; Ideal Use Cases\u003c\/strong\u003e\u003c\/h3\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe Wilwood Forged Narrow Superlite 6R Big Brake Kit (140-15945) is a top-tier solution for serious enthusiasts who have surpassed the limits of their factory braking system. It delivers race-proven performance, reliability, and durability in a package that is adaptable for everything from aggressive street use to full competition.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eThis brake kit is the ideal choice for:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eTrack Day \u0026amp; HPDE Enthusiasts:\u003c\/strong\u003e Manages repeated high-speed braking.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eAutocross \u0026amp; Time Attack Competitors:\u003c\/strong\u003e Provides precise modulation and instant bite.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eHigh-Performance Street Cars:\u003c\/strong\u003e Offers ultimate safety margins and confidence.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eMuscle Cars \u0026amp; Sports Cars:\u003c\/strong\u003e Modernizes braking performance on classic and modern platforms.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eFor less aggressive driving or smaller budgets, consider the \u003cstrong\u003e[Wilwood 4-Piston Powerlite Kit]\u003c\/strong\u003e. However, for those who need uncompromised performance and the thermal capacity to handle extreme abuse, the Superlite 6R kit is an exceptional investment in both speed and safety. For official specifications, torque values, and bed-in procedures, always refer to the \u003cstrong\u003eWilwood Engineering Installation Instructions\u003c\/strong\u003e (External Link).\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eContact our performance braking experts today to confirm fitment for your vehicle, discuss pad compound options, and bundle your purchase with brake fluid and stainless lines for a complete upgrade.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160964198631,"sku":null,"price":2867.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/35b7f6fa-brake_kit_140-15945-sm.jpg?v=1780566424","url":"https:\/\/titanparthub.com\/products\/wilwood-forged-narrow-superlite-6r-big-brake-kit-front-kit-140-15945","provider":"TITANPARTHUB","version":"1.0","type":"link"}