Wilwood Brake Conversion Kit
Wilwood 140-18158-R Rear Disc/Drum Brake Kit FDLI Forged Dynalite 12.19" Rotor 6-Lug Red
Wilwood 140-18158-DR Rear Disc/Drum FDLI Brake Kit 12.19in Rotor 6-Lug SRP Red
Wilwood 140-18158-D Rear Disc/Drum Brake Kit FDLI Blazer 1971-91 12.19" Rotor 6-Lug SRP
Wilwood 140-18158 Rear Disc/Drum Brake Conversion Kit FDLI 12.19" Rotor 6-Lug
Wilwood 140-18159-R FDL Pro-Series Rear EPB Electric Parking Brake Kit Rotor - 12.19 6-Lug Red
Wilwood 140-18157 Aero6 Front Brake Kit for 1971-1991 Blazer 15.00" Rotor 6-Lug
Wilwood 140-17985-D Front Brake Kit with WWE 2" Drop Aluminum Pro Spindles
Wilwood 140-17984-R DP6 Front Brake Kit with WWE 2-Inch Drop Aluminum Pro Spindles
Wilwood 140-17982-R FDLI Front Brake Kit for WWE 2-Inch Drop Aluminum Pro Spindle
Wilwood 140-17982 FDLI Pro-Series Front Brake Kit with 2-Inch Drop Aluminum ProSpindle
Wilwood 140-10016-DR DynaPro Radial Front Drag Brake Kit 11.75in Vented Drilled Rotor
Wilwood Brake Conversion Kits: Engineered to Stop as Hard as You Go
When drum brakes just aren't up to the task — whether on a classic muscle car, a restomod street machine, or a dedicated track build — a brake conversion kit is one of the most impactful upgrades you can make. And few names carry more weight in that conversation than Wilwood Engineering. Founded in 1977 and still manufacturing in Camarillo, California, Wilwood has spent nearly five decades refining the art of high-performance disc braking, and their conversion kits represent the pinnacle of that expertise.
What Sets Wilwood Conversion Kits Apart
Wilwood bolt-on brake conversion kits are designed to provide superior braking performance and a highly detailed appearance over a wide range of domestic and import applications. That means whether you're upgrading a classic GM full-size, a vintage Ford Mustang, a Mopar muscle car, or an import platform, there's likely a Wilwood kit engineered specifically for your chassis.
The secret is in the components. The Pro-Series front hub kits offer complete disc brake upgrade solutions for muscle cars, combining Dynalite 4-piston calipers, aluminum hubs, 11" cast iron rotors, and all necessary hardware into kits suitable for daily drivers and serious performance builds. At the top of the performance ladder, Wilwood's AERO6 Big Brake kits step up to 6-piston calipers and large-diameter drilled and slotted vented rotors for maximum clamping force under the most demanding conditions.
The caliper technology is a particular standout. The Forged Narrow Superlite 4R caliper adds the versatility and convenience of radial mounting to the widely popular Superlite caliper series — radial mounting simplifies adaptation and provides two planes of adjustment for accurate alignment over the disc. For vehicles requiring a dedicated parking brake solution, the MC4 Mechanical Parking Brake Caliper is a multi-use, cable-operated caliper that combines high output performance with simplicity in design and construction.
Complete System Thinking
What makes Wilwood conversion kits genuinely compelling isn't just the individual parts — it's that Wilwood approaches the brake system as a whole. Their brake conversion kits employ lightweight Wilwood alloy calipers for a reduction in unsprung weight and large gains in pad area, and are supplied with all necessary adapters and hardware. Many kits also address the master cylinder side of the equation: when converting from drum brakes to disc brakes, a new master cylinder is typically required, and the Wilwood Tandem Aluminum Master Cylinder is available in three finishes — bare, black e-coat, and media burnished.
Even on applications where a slightly smaller rotor is used, Wilwood offsets this with the clamping force of a four-piston caliper, since the four-piston setup delivers significantly more piston contact surface area compared to the single-piston OE-style calipers typically found on drum-to-disc conversions.
Who These Kits Are For
Wilwood's brake conversion lineup speaks to a broad audience: the classic car restorer who wants factory-correct fitment with modern stopping power, the hot rodder chasing big-brake aesthetics and track-capable performance, and the performance truck owner looking for a reliable, purpose-built upgrade. With 14 conversion kit options in this catalog spanning front and rear applications across a wide vehicle range, there's a Wilwood solution built for your platform. Browse the full Wilwood brand catalog or explore all brake conversion kits to find the right fit for your build.