Fits select 1979-1990 Buick, Chevrolet, Oldsmobile, and Pontiac models including Camaro, Firebird, Caprice, and Impala with non-ABS spindles.

The Wilwood FNSL6R Narrow Superlite 6R front brake kit provides a high-performance solution for enthusiasts looking to modernize the braking capabilities of vintage American muscle cars and custom rods. Featuring billet forged six-piston calipers and 12.88-inch diameter drilled rotors, this kit delivers a cost-effective combination of stopping power and high-end aesthetics. Engineered to enhance tire and suspension upgrades, this system is ideal for high-performance dual-purpose street and track applications.

• Billet forged FNSL6R six-piston calipers for maximum clamping force
• 12.88-inch diameter one-piece drilled rotors for improved cooling and response
• Designed exclusively for use with 17-inch and larger wheels
• Compatible with traditional non-ABS spindles
• Ideal for custom show builds and high-performance street machines
• Manufacturer Part Number: 140-12280-D

Each kit is engineered for specific vehicle applications to ensure optimized brake performance and precise fitment with existing suspension components.

Fits select 1964-1974 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models including Camaro, Chevelle, Nova, and GTO.

The Wilwood Forged Narrow Superlite 6R (FNSL6R) front brake kit provides high-performance stopping power for traditional non-ABS spindles on American muscle cars and vintage rods. This kit combines billet forged six-piston calipers with 12.88-inch one-piece rotors to deliver a cost-effective solution for both street performance and track-day reliability. Designed specifically for 17-inch and larger wheels, these kits are an essential upgrade for vehicles with modern tire and suspension components.

• Forged Narrow Superlite 6R (FNSL6R) 6-piston billet forged aluminum calipers in Red
• 12.88-inch diameter one-piece drilled rotors and integrated hats
• Engineered for traditional non-ABS spindles on vintage American RWD platforms
• Requires 17-inch or larger wheels for caliper clearance
• Optimized for custom show and high-performance dual-purpose street and track applications
• Manufacturer Part Number: 140-12271-DR

Fits select 1964-1974 GM A, F, and X-Body vehicles including Chevrolet Camaro, Chevelle, Nova, Pontiac Firebird, GTO, and Buick Skylark.

The Wilwood Forged Narrow Superlite 6R (FNSL6R) front hub and one-piece rotor kit provides a high-performance braking solution for traditional non-ABS spindles on American muscle cars and vintage rods. Engineered for 17-inch and larger wheels, this kit combines the clamping power of Billet Forged six-piston calipers with 12.88-inch diameter rotors to deliver consistent thermal stability and improved pedal feel for dual-purpose street and track use.

• Billet forged FNSL6R six-piston calipers for maximum clamping efficiency
• 12.88-inch diameter one-piece drilled and slotted rotors
• Designed for traditional non-ABS spindles on classic GM platforms
• Requires 17-inch or larger wheels for proper clearance
• Complete front hub and rotor assembly
• Manufacturer Part Number: 140-12271-D

The Wilwood D154 Rear Caliper Kit (140-12102-R) provides a high-performance, bolt-on 2-piston replacement for the factory single-piston "Metric" calipers found on many custom and classic applications. These forged billet aluminum calipers offer a significant weight reduction over heavy cast-iron OE units and eliminate common issues like rust, bore pitting, and seal failure.

• Precision Braking: Features dual 1.12-inch stainless steel pistons providing 1.96 square inches of area, optimized for correct front-to-rear brake bias.
• Premium Construction: Forged billet aluminum bodies with a red finish and competition-style high-temperature seals for street and track reliability.
• Direct Fitment: Mounts in the factory location over 0.81-inch thick rotors using original style OE D154 pads and M10-1.5 banjo bolts.
• Included Components: The kit comes complete with Wilwood’s hardened slide pins and BP-10 high-friction pads for immediate installation.

Engineered for low-maintenance performance, these D154 calipers are compatible with most wheels that clear original equipment calipers, providing a modern upgrade with classic compatibility.

The Wilwood D154 Rear Caliper Kit provides a high-performance, direct bolt-on 2-piston replacement for factory original single-piston "Metric" calipers. Engineered for both street and track reliability, these calipers feature forged billet aluminum bodies and stainless steel pistons to eliminate the corrosion, bore pitting, and seal failures common with cast-iron OE designs.

Designed with a specific 1.12-inch dual piston configuration (1.96 sq-inches of total area), this kit offers smaller rear sizing than typical OEM calipers to achieve a more precise front-to-rear brake bias. These calipers mount in the factory location over stock rotors and utilize original style D154 brake pads and M10-1.5 banjo bolt mounting for a straightforward installation.

• Construction: Forged billet aluminum bodies with a red powder-coated finish.
• Pistons: Dual 1.12-inch stainless steel pistons for corrosion resistance and thermal stability.
• Brake Pads: Includes BP-10 high-friction compound pads.
• Rotor Compatibility: Fits stock rotors with a 1.04-inch width.
• Hardware: Includes Wilwood hardened slide pins and competition-style high-temperature seals.
• MPN: 140-12101-R

Upgrade your braking system with the Wilwood D154 Rear Caliper Kit (MPN: 140-12101-BK), a high-performance direct bolt-on 2-piston replacement for original single-piston "Metric" calipers. Engineered for both street and track reliability, these forged billet aluminum calipers provide a significant weight reduction over stock cast-iron units while offering superior strength and heat dissipation.

This kit features dual 1.12-inch stainless steel pistons, providing 1.96 square inches of piston area to achieve proper front-to-rear brake bias in custom applications. The use of stainless steel pistons and competition-style high-temperature seals eliminates the common issues of bore pitting, rust, and seal failure found in OE designs. These calipers mount in the factory location over stock rotors and utilize original-style D154 pads and M10-1.5 banjo bolt hardware for a straightforward installation.

• Fits factory "Metric" caliper mounting points on select custom applications.
• Forged billet aluminum bodies with a durable black finish.
• Dual 1.12-inch (1.12/1.12) stainless steel pistons for 1.96 sq-in total area.
• Compatible with rotors up to 1.04-inch thickness.
• Includes BP-10 high-friction compound pads and hardened slide pins.
• Uses standard M10-1.5 banjo bolt brake line mounting.

Fits select 1978-2002 GM mid-size cars and small trucks originally equipped with factory "Metric" cast iron calipers.

The Wilwood D154 Front Caliper Kit (MPN: 140-12099-R) provides a high-performance, lightweight alternative to heavy OE cast iron calipers. These dual-piston units are engineered from forged billet aluminum, significantly reducing unsprung weight while offering superior strength and heat dissipation. Designed as a direct bolt-on replacement, they mount in the factory location over stock 1.04-inch thick rotors and utilize original style M10-1.5 banjo bolts.

Equipped with stainless steel pistons and competition-style high-temperature seals, the D154 kit eliminates common failure points like bore pitting and rust. The dual 1.62-inch piston configuration provides 4.12 square inches of total piston area, delivering consistent clamping force and high-temperature reliability for both street and track applications. This kit includes Wilwood’s hardened slide pins and BP-10 high-friction pads to complete the installation.

• Two-piston configuration with 1.62-inch bores (4.12 sq. in. area)
• Designed for 1.04-inch thick rotors
• Forged billet aluminum bodies with a durable red powder coat finish
• Corrosion-resistant stainless steel pistons for reduced heat transfer
• Includes Wilwood BP-10 compound high-friction brake pads
• Compatible with standard OE D154 brake pad profiles
• Retains factory front-to-rear brake bias with OE master cylinders
• Manufacturer Part Number: 140-12099-R

Fits select 1978-2002 GM mid-size cars and small trucks equipped with factory disc brakes using "Metric" calipers.

The Wilwood D154 Front Caliper Kit (140-12099-BK) provides a high-strength, lightweight alternative to heavy OE cast iron calipers. These direct bolt-on replacements feature forged billet aluminum bodies and stainless steel pistons to eliminate the rust, bore pitting, and seal failures common in original equipment designs. Engineered for both street and track, these calipers maintain proper brake bias while significantly reducing unsprung weight.

• Fits 1.04-inch wide rotors and mounts in the stock location.
• Dual 1.62-inch stainless steel pistons provide 4.12 square inches of piston area.
• Includes BP-10 high-friction compound pads and hardened slide pins.
• Forged billet aluminum bodies with a durable black finish.
• Uses original style D154 brake pads and OE M10-1.5 banjo bolt mounting.
• Compatible with most wheels that clear factory calipers and OE master cylinders.
• Manufacturer Part Number: 140-12099-BK.

Fits select 1977-2002 GM cars and trucks, including Buick Regal, Chevrolet Camaro, Chevrolet S10, GMC Sonoma, and Pontiac Firebird. This Wilwood D154 Front Caliper Kit provides a high-performance, lightweight alternative to the heavy OE cast iron "Metric" calipers found on mid-size GM platforms and small trucks.

Constructed from forged billet aluminum, these calipers eliminate the common issues of rust, bore pitting, and seal failure found in factory units. The stainless steel pistons and competition-style high-temperature seals ensure long-term reliability for both street and track applications. These calipers are designed for a direct bolt-on installation, mounting in the factory location over stock rotors while utilizing original-style D154 brake pads and M10-1.5 banjo bolt hardware.

The 2.50-inch single-piston design provides 4.90 square inches of piston area, maintaining correct front-to-rear brake bias when used with original equipment master cylinders. This kit includes Wilwood’s hardened slide pins and BP-10 high-friction brake pads for improved stopping power and thermal stability.

• Manufacturer Part Number: 140-12097-R
• Caliper Finish: Red powder coat
• Piston Size: 2.50 in (4.90 sq in area)
• Rotor Compatibility: 1.04 in thick
• Housing Material: Forged Billet Aluminum
• Piston Material: Stainless Steel
• Brake Pad Compound: BP-10 SmartPad
• Inlet Thread: M10-1.5 Banjo

Fits 2006-2015 Honda Civic and 2011-2015 Honda CR-Z.

The Wilwood Forged Narrow Superlite 6R (FNSL6R) Front Big Brake Kit provides superior stopping power for high-performance street and track applications. This kit centers on the 6-piston FNSL6R forged caliper, engineered to provide increased clamping force and thermal stability while remaining compatible with factory master cylinder output and ABS functions where applicable.

This application-specific kit features 12.88-inch drilled rotors designed to improve cooling and maintain consistent pedal feel during spirited driving. The forged caliper construction ensures high-strength performance under load, making it an ideal upgrade for vehicles with larger wheel and tire packages or suspension modifications.

• Manufacturer Part Number: 140-11978-DR
• Caliper Type: Forged Narrow Superlite 6R (6-Piston)
• Caliper Finish: Red Powder Coat
• Rotor Diameter: 12.88 inches (327.15 mm)
• Rotor Style: Drilled and Vented
• Application-specific brackets and hardware included for installation

Fits all 1993-1995 Mazda RX-7 models (Base, R1, R2, and Touring).

Upgrade your FD-chassis stopping power with the Wilwood Forged Narrow Superlite 6R (FNSL6R) Big Brake Kit. This system is centered around the unsurpassed braking capacity of the forged six-piston caliper, providing the clamping force and heat management required for high-performance street and track applications. Engineered specifically for the RX-7, this kit ensures simplified installation and is fully compatible with the factory master cylinder output and ABS functions.

The 14.00-inch big rotor design significantly increases brake leverage and thermal capacity, making it an essential upgrade for vehicles with increased horsepower or those running larger wheel and tire packages. This front hat kit provides a professional, high-performance look while delivering the consistent pedal feel and modulation that Wilwood is known for.

• Manufacturer Part Number: 140-11964
• Caliper Type: Forged Narrow Superlite 6R Six-Piston
• Rotor Diameter: 14.00 inches
• Application-specific mounting brackets and hardware included
• Compatible with OE master cylinder and ABS
• High-strength forged aluminum caliper construction

Fits 2011-2014 Ford Fiesta S, SE, SEL, SES, and Titanium models.

The Wilwood DynaPro 6 (DP6) front brake kit provides a significant upgrade in stopping power and thermal capacity for the Ford Fiesta platform. This kit centers around the DynaPro 6 forged billet six-piston calipers, which are engineered to deliver superior clamping force and more even pad wear than factory single-piston units. These calipers are paired with 12.19-inch diameter rotors, offering an increased surface area for better heat dissipation during spirited driving or competition use.

Designed as a vehicle-specific bolt-on solution, this kit is engineered to maintain full compatibility with the original equipment (OE) master cylinder output and factory ABS functions. Whether you are building a custom show car, a daily driver, or a track-focused machine, this DynaPro 6 kit provides the performance and reliability expected from professional-grade braking systems.

• Forged billet DynaPro 6 six-piston calipers with a durable red finish
• 12.19-inch diameter rotors for enhanced brake capacity
• Engineered for full compatibility with factory ABS and master cylinder
• Vehicle-specific mounting hardware included
• Manufacturer Part Number: 140-11899-R

Fits 1970-1982 Chevrolet Corvette models, including Base, Stingray, Collector's Edition, and Anniversary editions.

The Wilwood D8-6 Front Caliper Kit (MPN 140-11857) provides a direct bolt-on replacement for factory OE calipers, offering a significant upgrade in braking performance and reliability. Featuring Type III hard anodized forged billet aluminum bodies and stainless steel pistons, these calipers eliminate the rust, bore pitting, and seal failures common in original cast-iron designs. The 6-piston configuration delivers superior clamping power and more even pad loading across the rotor surface.

Designed for low-maintenance performance, these calipers mount in the stock location over factory rotors and are compatible with original style D8 brake pads. While they fit most 1967 and newer production wheels, some aftermarket replicas or 1965-66 OE "JK" code steel wheels may require a 3/16-inch or wider wheel spacer for proper clearance.

• Forged billet aluminum 6-piston bodies
• Type III clear hard anodized finish for durability and corrosion resistance
• Corrosion-resistant stainless steel pistons and high-temperature seals
• Direct bolt-on installation to factory mounting points
• Includes DOT-compliant stainless braided brake lines
• Includes high-friction Promatrix brake pads
• Manufacturer Part Number: 140-11857

Fits 1959-1970 Chevrolet Bel Air and Impala base models.

The Wilwood Forged Dynalite (FDL) Pro-Series rear disc brake kit (MPN: 140-11828-DR) offers a comprehensive braking solution for classic Chevrolet rear axles requiring a functional parking brake. This kit replaces factory rear drum brakes with high-performance 4-piston calipers and 12.19-inch rotors, providing the balanced stopping power needed for custom street and strip applications.

Designed for clean installation and maximum aesthetics, the system features a neatly hidden internal shoe mechanism for superior static holding power when parked. The forged billet Dynalite calipers are finished in a durable red powder coat, paired with drilled and slotted rotors for improved heat dissipation and consistent pad engagement.

• Forged billet Dynalite 4-piston calipers with red finish
• 12.19-inch diameter one-piece drum/rotors (drilled and slotted)
• Integrated internal shoe parking brake system
• High-friction brake pads optimized for street and show performance
• Compatible with popular muscle car rear axles
• Manufacturer Part Number: 140-11828-DR

Designed for Chevy 12-Bolt rear axles with a 2.75-inch offset and C-Clips, this Wilwood Dynapro Low-Profile Pro-Series kit provides a high-performance rear disc brake solution for enthusiasts running 14.00-inch to 15.00-inch wheels. The low-profile design ensures necessary clearance in tight wheel wells while delivering significant stopping power and a reliable parking brake solution.

This kit features forged billet Dynapro four-piston calipers finished in red, paired with 11.00-inch one-piece hat and drilled rotor assemblies. The integrated internal shoe system provides a clean, hidden installation for the parking brake with superior static holding power. High-friction pads are included to ensure balanced braking performance for custom street, strip, or show applications.

• MPN: 140-11398-DR
• Axle Fitment: Chevy 12-Bolt (2.75" Offset, C-Clips)
• Caliper: Forged Billet Dynapro Low-Profile 4-Piston
• Rotor: 11.00" Diameter one-piece Drilled/Slotted
• Wheel Requirement: Fits most 14" and 15" wheels
• Parking Brake: Internal shoe-style assembly

Fits Chevy 12-bolt rear axles with a 2.75-inch offset and C-clips.

The Wilwood Dynapro Low-Profile Pro-Series rear disc brake kit (MPN: 140-11398-D) provides a high-performance braking solution for muscle car applications requiring extra clearance. Engineered specifically for 14-inch to 15-inch wheel diameters, this kit replaces aging drum brakes with modern four-piston stopping power without sacrificing wheel fitment.

The system features forged billet Dynapro Low-Profile calipers paired with 11.00-inch one-piece hat and rotor assemblies. The rotors are drilled to improve heat dissipation and gas venting during spirited driving. For a clean look and reliable performance, the internal shoe system provides a hidden parking brake assembly with superior static holding power.

• Manufacturer Part Number: 140-11398-D
• Caliper: Forged billet Dynapro Low-Profile 4-piston
• Rotor: 11.00-inch diameter, one-piece hat and rotor, drilled finish
• Axle Fitment: Chevy 12-bolt with 2.75-inch offset and C-clips
• Wheel Requirement: Compatible with most 14-inch to 15-inch rims
• Parking Brake: Internal shoe-style drum assembly included

Designed for New Big Ford rear axles with a 2.50-inch offset, the Wilwood Dynapro Low-Profile Pro-Series rear disc brake kit (140-11389-DR) provides a high-performance braking solution for muscle cars requiring extra clearance for 14.00-inch to 15.00-inch wheel applications.

This kit features forged billet Dynapro Low-Profile four-piston calipers paired with 11.00-inch one-piece drilled and slotted rotors. The low-profile design ensures fitment in restrictive wheel wells without sacrificing the stopping power of a multi-piston system. For a clean look and reliable static holding power, the kit utilizes a neatly hidden internal shoe system for the parking brake.

• Forged billet Dynapro Low-Profile 4-piston calipers with a red powder coat finish
• 11.00-inch one-piece hat and rotor assemblies (drilled and slotted)
• Integrated internal shoe parking brake for superior holding power
• High-friction brake pads optimized for performance street and show applications
• Fits New Big Ford axle housings with 2.50-inch offset
• Manufacturer Part Number: 140-11389-DR

The Wilwood Dynapro Low-Profile Pro-Series rear disc brake kit (MPN 140-11389-D) provides a high-performance braking solution for popular muscle car rear axles. Specifically engineered for applications using the New Big Ford housing flange with a 2.50-inch offset, this kit is designed to provide extra clearance for enthusiasts running 14.00-inch to 15.00-inch wheel diameters.

This system features forged billet Dynapro Low-Profile four-piston calipers and 11.00-inch one-piece drilled rotor and hat assemblies. To maintain a clean look without sacrificing safety, the kit includes a neatly hidden internal shoe system that delivers superior static holding power for parking. High-friction pads are included to ensure optimized, balanced braking for custom performance street and show machines.

• Manufacturer Part Number: 140-11389-D
• Caliper Type: Forged Billet Dynapro Low-Profile 4-Piston
• Rotor Dimensions: 11.00-inch diameter one-piece hat and drilled rotors
• Axle Fitment: New Big Ford with 2.50-inch offset
• Wheel Compatibility: Designed for 14.00-inch to 15.00-inch rim applications
• Parking Brake: Integrated internal shoe assembly
• Pads: High-friction performance brake pads included

The Wilwood D52 Rear Caliper Kit (140-11293-R) is a high-performance, direct bolt-on 2-piston replacement for factory single-piston D52 calipers. Engineered for custom applications and street/track use, these calipers feature a 2.46 square-inch piston area to optimize front-to-rear brake bias, providing significantly better control than standard OEM units. The forged billet aluminum bodies offer massive weight savings over stock cast iron components, while stainless steel pistons and competition-style high-temperature seals eliminate the rust, bore pitting, and seal failure common in original equipment designs.

This kit installs directly into the stock mounting locations over 1.04-inch thick rotors and utilizes the original style OE 7/16-20 banjo bolt brake line mounting. Designed for low-maintenance reliability and high-temperature performance, the kit comes complete with Wilwood’s hardened slide pins and BP-10 high-friction pads for immediate stopping power.

• 2-piston configuration with dual 1.25-inch stainless steel pistons
• Forged billet aluminum bodies with a durable red powder coat finish
• Total piston area: 2.46 sq-in for improved bias control
• Compatible with 1.04-inch wide rotors
• Mounts using OE-style 7/16-20 banjo bolts
• Includes BP-10 high-friction brake pads and hardened slide pins
• Manufacturer Part Number: 140-11293-R

The Wilwood D52 Rear Caliper Kit provides a high-performance, 2-piston alternative to factory single-piston calipers. These calipers are designed as a direct bolt-on replacement for many custom and OE applications, mounting in the stock location over stock rotors. By utilizing a dual 1.25-inch piston configuration (2.46 square inches of total area), this kit allows for precise front-to-rear brake bias tuning that is often unachievable with standard OEM calipers.

• Durable Construction: Forged billet aluminum bodies with stainless steel pistons eliminate the rust, bore pitting, and seal failures common with cast iron OE designs.
• High-Heat Reliability: Equipped with competition-style high-temperature seals to ensure consistent performance on both the street and the track.
• Specifications: Designed for 1.28-inch thick rotors and uses original-style 7/16-20 banjo bolt brake line mounting.
• What's Included: One pair of D52 calipers in black powder coat, Wilwood BP-10 high-friction brake pads, and hardened slide pins.

This kit offers significant weight savings over stock iron calipers and is compatible with most wheels that clear factory D52 components. Part number: 140-11292-BK.

Fits select 1969-2002 GM passenger vehicles and trucks, including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. This kit is a direct bolt-on upgrade designed to replace the original single-piston calipers with a high-performance dual-piston setup.

The Wilwood D52 kit features forged billet aluminum bodies and stainless steel pistons, providing a significant weight reduction over heavy cast-iron factory units. These materials, combined with competition-style high-temperature seals, eliminate common OE issues like rust, bore pitting, and seal failure. Engineered for both street and track use, the calipers maintain original front-to-rear brake bias when used with the factory master cylinder, providing 6.28 square inches of piston area per caliper. These units mount in the factory location over stock rotors and utilize original D52-style brake pads.

• Manufacturer Part Number: 140-11291-R
• Piston Count: 2 Pistons per caliper
• Piston Diameter: 2.00 in (50.8 mm)
• Piston Area: 6.28 sq in
• Rotor Width Compatibility: 1.04 in (26.4 mm)
• Body Material: Forged billet aluminum
• Finish: Red powder coat
• Piston Material: Stainless steel
• Included Brake Pads: BP-10 Smart Pads
• Banjo Bolt Thread: 7/16-20 (Note: 1978-up vehicles with M10-1.5 bolts require new brake lines)

Each kit includes Wilwood hardened slide pins and BP-10 high-friction compound pads for consistent stopping power and low-maintenance performance.

Fits select 1969-2002 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac passenger vehicles and trucks. This Wilwood D52 Front Caliper Kit is a direct-fit dual-piston upgrade designed to replace the factory single-piston calipers originally found on many GM models. Engineered for both street and track performance, these calipers provide a significant weight reduction over stock cast-iron units while offering superior thermal stability and corrosion resistance.

Each caliper is constructed from forged billet aluminum and features dual 2.00-inch stainless steel pistons, providing a total piston area of 6.28 square inches. This displacement is carefully chosen to maintain correct front-to-rear brake bias when used with an OE master cylinder. The kit includes Wilwood’s BP-10 high-friction pads and hardened slide pins for a complete installation. These calipers mount directly to the factory locations over stock rotors and utilize the original D52 brake pad profile.

• Piston Size: Dual 2.00-inch stainless steel pistons
• Piston Area: 6.28 square inches per caliper
• Rotor Width: Designed for 1.04-inch thick rotors
• Material: Forged billet aluminum with high-temperature competition seals
• Finish: Black powder coat
• Brake Pads: BP-10 SmartPad high-friction compound included
• Inlet Port: 7/16-20 banjo (Note: 1978+ vehicles using M10-1.5 banjo bolts require new brake lines)
• Manufacturer Part Number: 140-11291-BK

Fits select 1968-1996 GM passenger vehicles, trucks, and Jeep models (including Buick, Cadillac, Chevrolet, GMC, and Pontiac).

Wilwood’s D52 Front Caliper Kit (MPN 140-11290-R) is a direct bolt-on dual-piston replacement for the factory single-piston calipers found on many classic GM and Jeep applications. Engineered for the street or track, these forged billet aluminum bodies provide a massive weight savings over cast iron OE units while increasing high-temperature reliability and structural stiffness.

These red powder-coated calipers mount in the factory location over stock 1.28-inch thick rotors and are compatible with original style OE D52 brake pads. The dual 2.00-inch pistons deliver a combined 6.28 square inches of piston area per caliper, ensuring consistent clamping force while maintaining the original front-to-rear brake bias when used with an OE master cylinder. Stainless steel pistons and high-temperature seals prevent the rust, bore pitting, and seal failures common to original equipment.

• Forged billet aluminum bodies for high strength and reduced unsprung weight
• Dual 2.00-inch stainless steel pistons (6.28 sq in total area)
• Includes Wilwood BP-10 high-friction compound pads
• Hardened stainless steel slide pins
• Uses standard 7/16-20 banjo bolt mounting (1978+ models with M10-1.5 bolts require new lines)
• Fits stock 1.28-inch wide rotors

Fits select 1970-1996 Buick, Cadillac, Chevrolet, GMC, Jeep, Oldsmobile, and Pontiac vehicles.

The Wilwood D52 Front Caliper Kit is a high-performance, forged billet aluminum 2-piston replacement for the heavy factory cast-iron single-piston calipers found on many 1970s through 1990s GM and Jeep applications. These calipers feature stainless steel pistons and competition-style high-temperature seals, designed to eliminate the bore pitting, rust, and seal failures that often degrade original equipment performance. The dual 2.00-inch pistons provide 6.28 square inches of piston area to maintain your vehicle's factory front-to-rear brake bias while offering significant weight savings and improved reliability for both street and track use.

• Manufacturer Part Number: 140-11290-BK
• Caliper Body: Forged Billet Aluminum with Black Powder Coat
• Piston Specs: Dual 2.00" (50.8mm) Stainless Steel Pistons
• Rotor Compatibility: Fits 1.28" (32.5mm) width rotors
• Brake Pads: Includes BP-10 High-Friction Compound SmartPads
• Mounting: Bolts to factory locations with included hardened slide pins
• Plumbing: Accepts OE-style 7/16-20 banjo bolts (1978+ models with M10-1.5 banjo bolts require aftermarket brake lines)