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Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Brake Calipers - Perf
Performance brake calipers are engineered to enhance your vehicle's stopping power, pedal feel, and fade resistance. Our collection spans a wide range of options, from direct bolt-on replacements to race-ready multi-piston upgrades, all selected for their ability to deliver measurable braking improvements.
Key considerations when choosing a caliper:
- Piston count and layout: More pistons distribute clamping force evenly, reducing pad taper and improving modulation. Fixed, opposed-piston designs typically offer superior pedal feel compared to floating calipers.
- Material and construction: Forged or billet aluminum calipers are lighter and dissipate heat more effectively than cast iron, reducing unsprung weight and brake fade.
- Compatibility: Calipers must match your rotor size, pad shape, and mounting points. Our listings include fitment details to ensure a correct match.
Whether you're upgrading for autocross, track days, or daily driving, a well-matched caliper upgrade can transform your brake system. Browse the collection to find the right set for your vehicle.
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The Wilwood Forged Dynalite series (MPN 120-13839) represents a significant evolution in 4-piston caliper design. Built using high-strength forged billet aluminum, these calipers feature a spacer-less, single split-bridge body. This construction eliminates the need for separate spacers between the body halves, resulting in a stiffer assembly that significantly reduces deflection under hard braking while improving pedal feel and clamping efficiency.
Designed for versatile use in racing and high-performance street applications, this Forged Dynalite caliper incorporates internal fluid passages and a sleek, durable profile. It is engineered to deliver reliable performance across a wide range of temperatures while maintaining a compact footprint for better wheel clearance.
- Piston Size: 1.38 inch diameter
- Rotor Width: Fits .81 inch (20.6mm) thick discs
- Construction: Forged billet aluminum body
- Design: Spacer-less, single split-bridge design for maximum stiffness
- Series: Forged Billet Dynalite
- Part Number: 120-13839
The Wilwood DynaPro 6 (DP6A) caliper delivers high-performance braking through a rigid, forged aluminum six-piston differential bore body. Engineered for custom, show, and competition vehicles, this left-hand caliper features a reinforced triple bridge construction with five high-strength steel bridge bolts, making it the stiffest DP6 model available. This design minimizes deflection to maintain a firm pedal feel under high-demand braking conditions.
- Direct interchange for all 5.25-inch pattern lug mount DynaPro and Dynalite calipers.
- Forged aluminum body with six-piston differential bore for optimized pad pressure distribution.
- Equipped with stainless steel pistons and high-temperature seals to resist heat soak and corrosion.
- Accommodates rotor diameters up to 13.00 inches and widths from 0.38 to 1.10 inches.
- Finished in durable gloss black powder coat for superior chemical and heat resistance.
- Manufacturer Part Number: 120-13437-BK
The Wilwood DynaPro DP6A forged aluminum caliper combines racing-derived technology with a reinforced triple-bridge design for maximum stiffness and superior braking performance. Engineered for custom and competition vehicles, the DP6A utilizes a six-piston differential bore configuration to provide balanced pad loading and consistent pedal feel. This model features a high-strength forged aluminum body and stainless steel pistons equipped with high-temperature seals for reliable performance under thermal stress.
- Series: DynaPro DP6A
- Piston Count: 6-Piston (Differential Bore)
- Piston Sizes: 1.62in / 1.12in / 1.12in
- Mounting: 5.25in Lug Mount (Interchangeable with Dynalite/DynaPro patterns)
- Rotor Compatibility: 0.81in Width (Accommodates up to 13in diameter)
- Construction: Forged Aluminum body with five high-strength steel bridge bolts
- Piston Material: Stainless Steel
- Finish: Red Powder Coat
- Orientation: Left Hand (L/H)
- Part Number: 120-13435-RD
The Wilwood DynaPro DP6A series (MPN 120-13434-RD) integrates professional racing technology with high-strength construction for custom, show, and competition vehicles. This model features a reinforced triple bridge design secured by five high-strength steel bridge bolts, making it the stiffest DP6 caliper available. It offers a direct interchange for applications currently using 5.25-inch lug mount DynaPro or Dynalite calipers.
Constructed from forged aluminum, this right-hand (R/H) caliper uses a six-piston differential bore configuration with sizes of 1.62, 1.12, and 1.12 inches to ensure even pad loading and consistent wear. The internal components include stainless steel pistons paired with high-temperature seals to manage the thermal demands of aggressive braking cycles.
- Forged aluminum body with a durable Red powder coat finish
- Differential bore six-piston design for optimized pad pressure
- Reinforced triple bridge construction with five bridge bolts
- Mounting: 5.25-inch lug mount pattern
- Rotor Compatibility: 0.81-inch width; up to 13.00-inch diameter
- Piston Sizes: 1.62-inch / 1.12-inch / 1.12-inch
- Stainless steel pistons with high-temperature seals
- Manufacturer Part Number: 120-13434-RD
The Wilwood Forged DynaPro DP6A (120-13431-BK) 6-piston caliper integrates racing-grade technology with a rigid, reinforced design for competition, show, and custom applications. Featuring a reinforced triple-bridge construction and five high-strength steel bridge bolts, this model is engineered as the stiffest DynaPro 6 caliper available, effectively minimizing deflection under heavy braking loads for more consistent pedal feel.
This left-hand (L/H) caliper utilizes a differential bore configuration with 1.62/1.38/1.38-inch pistons to promote even pad wear and balanced pressure across the rotor face. The forged aluminum body provides high strength-to-weight performance, complemented by stainless steel pistons and high-temperature seals that resist heat-related degradation during track use or aggressive driving.
- Direct Interchange: Mounts to standard 5.25-inch lug patterns, replacing existing DynaPro and Dynalite calipers.
- Rotor Fitment: Optimized for .38-inch thick rotors; accommodates rotor diameters up to 13.00 inches.
- Rigid Construction: Forged aluminum body with a durable gloss black powder coat finish.
- Piston Specs: Six stainless steel pistons in a differential bore (1.62", 1.38", 1.38") configuration.
- Hardware: Features five internal bridge bolts for maximum structural integrity.
- Part Number: 120-13431-BK
The Wilwood DynaPro 6 (DP6A) Forged 6-Piston Caliper combines racing-derived engineering with a high-stiffness design for custom, show, and competition vehicles. This right-hand (R/H) lug-mount caliper features a reinforced triple-bridge construction with five high-strength steel bridge bolts, making it the strongest and most rigid DP6 variant available. The forged aluminum body utilizes a six-piston differential bore configuration with stainless steel pistons and high-temperature seals to provide consistent clamping force and thermal stability.
- Direct interchange for 5.25-inch lug mount DynaPro and Dynalite calipers
- Reinforced triple-bridge body for reduced deflection under high pressure
- Six-piston differential bore design ensures even pad loading
- Stainless steel pistons resist corrosion and reduce heat transfer to the fluid
- Accommodates rotors up to 13.00-inch diameter and 0.38-inch width
- Durable gloss black powder coat finish
- Piston Sizes: 1.62 in / 1.38 in / 1.38 in
- Manufacturer Part Number: 120-13430-BK
The Wilwood Forged DynaPro 6 (DP6A) caliper brings professional racing technology to custom, show, and competition vehicles. Engineered with a reinforced triple-bridge construction and five high-strength steel bridge bolts, the DP6A is designed to be the stiffest lug-mount caliper in the DynaPro series, significantly reducing deflection under extreme braking loads.
This model features a forged aluminum body with a six-piston differential bore configuration. By utilizing varying piston sizes, it provides more even pad loading and prevents tapered wear in high-heat environments. It is a direct interchange for applications using the 5.25-inch lug mount DynaPro or Dynalite patterns.
- Manufacturer Part Number: 120-13429-BK
- Mounting: 5.25-inch Lug Mount (Left Hand orientation)
- Piston Configuration: 6-Piston Differential Bore (1.62", 1.38", 1.38")
- Rotor Width: Designed for .81-inch thick rotors
- Rotor Diameter: Accommodates up to 13.00-inch rotors
- Construction: Forged aluminum body with stainless steel pistons
- Hardware: Five high-strength steel bridge bolts for maximum rigidity
- Seals: High-temperature square-faced internal seals
- Finish: Gloss Black powder coat
The Wilwood DynaPro 6 (DP6A) Forged Caliper integrates track-proven braking technology with a high-strength design for custom, show, and competition vehicles. This model features a reinforced triple bridge construction secured by five high-strength steel bridge bolts, providing the stiffest DP6 platform available to minimize caliper deflection under heavy braking loads.
The forged aluminum body utilizes a six-piston differential bore configuration to promote even pad wear and consistent clamping force. Equipped with stainless steel pistons and high-temperature seals, this caliper is engineered to withstand the thermal demands of spirited driving and racing environments. It offers a direct interchange for all 5.25-inch pattern lug mount DynaPro and Dynalite calipers.
- Manufacturer Part Number: 120-13428-BK
- Position: Right Hand (R/H)
- Mounting: 5.25" Lug Mount
- Piston Sizes: 1.62" / 1.38" / 1.38"
- Rotor Width: 0.81"
- Rotor Diameter Compatibility: Up to 13.00"
- Piston Material: Stainless Steel
- Body Material: Forged Aluminum
- Finish: Gloss Black Powder Coat
The Wilwood Billet Narrow Mount Dynalite (NDLR) Radial Mount caliper is engineered for high-performance Sprint and Midget inboard applications where weight savings and structural rigidity are critical. Starting at just 2.70 pounds, this compact billet aluminum caliper utilizes a spacer-less design and a single split bridge to maximize strength and minimize flex under hard braking pressures.
Designed specifically for thin 0.38-inch width rotors, the NDLR series provides a versatile braking solution that can be mounted directly over studs or adapted via radial mount bracket kits. The Quick-Silver Nickel finish provides a durable, professional-grade surface treatment that resists wear in demanding racing environments.
- Piston Size: 1.75 in
- Rotor Width: 0.38 in
- Weight: Starting at 2.70 lbs
- Mount Type: Radial Mount
- Construction: Billet Aluminum with Spacer-less Bridge
- Finish: Quick-Silver Nickel Plating
- Part Number: 120-13405-SI
The Wilwood Forged Superlite 6R (FSL6R) series is a technical benchmark for asphalt short track, late model, and road racing applications. This redesigned FSL6R model features internal fluid transfer ports, which eliminate the need for external fluid cross-over tubes that are vulnerable to track debris. This design incorporates a four-corner bleed screw assembly, allowing this right-hand (R/H) orientation caliper to be mounted in various positions without requiring a specific leading or trailing configuration.
This differential bore 6-piston caliper uses three distinct piston sizes (1.62", 1.12", and 1.12") to ensure even pressure distribution across the pad face, reducing tapered wear and improving modulation. It is engineered specifically for use with 0.81-inch thick rotors in high-demand competition environments.
- Manufacturer Part Number: 120-13237
- Series: Forged Superlite 6R (FSL6R)
- Piston Sizes: 1.62 in / 1.12 in / 1.12 in
- Rotor Thickness Compatibility: 0.81 in
- Orientation: Right Hand (R/H)
- Fluid Circuit: Internal ports with dual bleed screws
- Construction: Forged aluminum body
The Wilwood Forged Superlite 6R (FSL6R) series is engineered for high-demand competition in asphalt short track, road racing, and rally applications. This six-piston caliper features a redesigned body with internal fluid ports, eliminating the need for external fluid crossover tubes that are susceptible to damage. The differential bore piston design provides even pressure distribution across the pad face to minimize taper wear.
- 6-piston differential bore design for superior clamping force and pad wear.
- Piston diameters: 1.62", 1.12", and 1.12".
- Designed for use with 1.25" thick rotors.
- Internal fluid routing replaces external crossover tubes for a cleaner, more durable profile.
- Four bleed screw assemblies allow the caliper to be oriented in either left-hand or right-hand configurations.
- Forged aluminum body for high-strength, low-deflection performance.
- Manufacturer Part Number: 120-13236.
The Wilwood Forged Superlite 6R (FSL6R) series represents the latest evolution of the industry-standard Superlite family, serving as a benchmark for asphalt short track, road racing, and rally competition. This 6-piston caliper is engineered for maximum rigidity and thermal stability under extreme braking conditions.
This redesigned model features internal fluid ports that eliminate the need for external fluid cross-over tubes, reducing the risk of damage from debris. The differential bore design utilizes three distinct piston sizes to provide even pressure distribution across the pad face, preventing tapered wear and improving pedal modulation. This right-hand orientation unit includes dual bleed screw assemblies for easy air evacuation in various mounting positions.
- Manufacturer Part Number: 120-13235
- Piston Sizes: 1.62in / 1.12in / 1.12in
- Rotor Width: 1.25in
- Configuration: Right Hand (RH)
- Body Type: Forged aluminum with internal fluid transfer
- Piston Count: 6-piston differential bore
The Wilwood Forged DynaPro Honda/Acura (DPHA) caliper is a high-performance, direct bolt-on upgrade for select Honda and Acura models originally equipped with 262mm diameter rotors. Engineered to replace heavy factory cast-iron calipers, this forged billet aluminum 4-piston housing provides significantly higher clamping force and a firmer, more responsive pedal feel without the need for custom brackets or spindle modifications.
Built from high-strength forged billet aluminum, the DPHA caliper features four 1.62-inch stainless steel pistons. This four-piston configuration ensures balanced pad loading for even wear and improved stopping power. The stainless steel piston material provides excellent corrosion resistance and acts as a thermal retardant, reducing heat transfer to the brake fluid to maintain consistent performance under load. Each caliper is finished in a high-gloss, high-temp red powder coat that is resistant to brake fluid and environmental wear.
- Direct bolt-on to factory spindles using stock mounting points
- Designed for use with original equipment (OE) 262mm diameter x .83in thick rotors
- Compatible with factory OE brake hoses and most 15-inch aluminum wheels
- Maintains full ABS function and works with most OE master cylinders
- Features 1.62-inch stainless steel pistons for thermal management
- Manufacturer Part Number: 120-12949-RD
The Wilwood Forged DynaPro Honda/Acura (DPHA) caliper is engineered as a high-performance, direct bolt-on upgrade for select Honda and Acura models originally equipped with 262mm diameter rotors. Designed to mount directly to factory spindles without the need for brackets, these calipers are compatible with OE 262mm rotors and factory brake hoses, and they fit within many 15-inch aluminum wheels.
Constructed from forged billet aluminum, the DPHA series provides significantly higher clamping force and improved pedal feel over cast OEM units. Each caliper features four stainless steel pistons that ensure balanced pad loading and superior thermal resistance, protecting the hydraulic system from heat soak during spirited driving. These calipers maintain full ABS function and are compatible with most original equipment master cylinders.
- Manufacturer Part Number: 120-12949-BK
- Piston Count: 4 Piston
- Piston Diameter: 1.62 in (41.1 mm)
- Rotor Thickness: 0.83 in (21.1 mm)
- Rotor Diameter: 10.31 in (262 mm)
- Construction: Forged Billet Aluminum
- Finish: High-gloss black powder coat with Wilwood logo
- Piston Material: Stainless steel for corrosion and heat resistance
The Wilwood Forged DynaPro Low-Profile (FDP-LP) lug mount caliper is a performance-driven upgrade designed to replace or improve upon the long-standing Dynalite series. This forged billet aluminum caliper is engineered for applications requiring a compact footprint, specifically addressing limited outboard rotor hat clearance and narrow swept area rotors. By combining race-proven technology with a sleek, low-profile design, it provides superior structural strength and a clean finish suitable for competition use or show-quality builds.
Built for durability and precision, the FDP-LP utilizes a 5.25-inch mounting center and is designed to house four stainless steel pistons. This configuration ensures consistent clamping force and thermal stability across the brake pad surface when paired with 0.81-inch thick rotors.
- Manufacturer Part Number: 120-12160-RD
- Series: DynaPro Low-Profile (FDP-LP)
- Piston Size: 1.12 in
- Rotor Thickness Compatibility: 0.81 in
- Mounting Centers: 5.25 in
- Material: Forged Billet Aluminum
- Finish: Red Powder Coat
- Caliper Type: Lug Mount
The Wilwood MC4 Mechanical Parking Brake Caliper is a high-performance, cable-operated solution for vehicles requiring a dedicated, standalone mechanical parking brake. This left-hand (L/H) caliper features a specialized design that combines a high-efficiency die-cast body with a forged billet anvil, ensuring exceptional structural integrity and strength under load while remaining lightweight at only 3.30 lbs including pads.
- Piston Size: 1.19 in (30.2 mm)
- Rotor Thickness: 0.81 in (20.6 mm)
- Rotor Diameter Range: 11.00 in to 12.88 in
- Material: Die-cast aluminum body with a forged billet anvil
- Finish: Black powder coat with Wilwood logo
- Pads Included: Composite Metallic (CM) high-friction, high-static hold pads with noise-canceling shields
- Actuation: Mechanical cable-operated
- MPN: 120-12070-BK
Each caliper is pre-fitted with Wilwood’s CM pads, specifically engineered for the high static-hold requirements of parking brake applications. This unit is ideal for performance builds and custom brake conversions requiring reliable secondary braking performance.
The Wilwood MC4 Mechanical Parking Brake Caliper is a purpose-built, cable-operated solution for vehicles requiring a standalone, mechanically actuated parking brake system. This left-hand (L/H) unit features a clean silver finish without an exterior logo, offering high-output performance in a simplified, lightweight package.
Constructed with a die-cast body and a forged billet anvil for maximum strength under load, the MC4 is designed to fit rotors with a thickness of 0.81 inches and diameters between 11.00 and 12.88 inches. Weighing only 3.30 pounds with pads, it provides exceptional static hold without adding excessive unsprung weight to the suspension.
- Orientation: Left Hand (L/H)
- Piston Size: 1.19 inches
- Rotor Thickness: 0.81 inches
- Rotor Diameter Range: 11.00 to 12.88 inches
- Material: Die-cast body with forged billet anvil
- Finish: Silver (No Logo)
- Weight: 3.30 lbs (2.95 lbs without pads)
- Brake Pads: Includes Composite Metallic (CM) high-friction pads with noise-canceling shields
- Manufacturer Part Number: 120-12070
The Wilwood MC4 Mechanical Parking Brake Caliper (120-12069-RD) is a high-output, cable-operated solution designed for vehicle applications requiring a dedicated, mechanically actuated parking brake. This right-hand caliper utilizes a single 1.19-inch piston and is engineered to work with rotors measuring 0.81 inches thick with a diameter range of 11.00 to 12.88 inches.
- Construction: Die-cast body with a forged billet anvil for superior strength under load
- Weight: Extremely lightweight at 3.30 lbs (2.95 lbs without pads)
- Brake Pads: Includes Composite Metallic (CM) high-friction, high static-hold pads
- Quiet Operation: Pre-fitted with noise-cancelling shields
- Finish: Durable red powder coat with Wilwood logo branding
- MPN: 120-12069-RD
The Wilwood MC4 Mechanical Parking Brake Caliper is a high-output, cable-operated solution for vehicles requiring a dedicated secondary parking brake. This right-hand (R/H) caliper features a lightweight yet rigid design, combining a die-cast body with a forged billet anvil to maintain structural integrity under load. It is engineered to provide reliable static-hold performance across a variety of custom and performance braking configurations.
- Manufacturer Part Number: 120-12069-BK
- Orientation: Right Hand (R/H)
- Piston Size: 1.19 in
- Rotor Compatibility: Fits 0.81 in thick rotors
- Diameter Range: 11.00 in to 12.88 in rotors
- Construction: Die-cast body with forged billet anvil
- Weight: 3.30 lbs with pads (2.95 lbs without)
- Included Pads: Composite Metallic (CM) high-friction pads with noise-canceling shields
- Finish: Black with Wilwood logo
The Wilwood MC4 Mechanical Parking Brake Caliper provides a reliable, cable-operated solution for custom or performance vehicle applications requiring a dedicated, mechanically actuated secondary brake. This right-hand orientation caliper combines a die-cast body with a forged billet anvil for high-clamping efficiency and durability without unnecessary bulk.
- Piston Diameter: 1.19 inches
- Rotor Thickness: 0.81 inches
- Rotor Diameter Range: 11.00 to 12.88 inches
- Construction: Die-cast body with a forged billet anvil
- Weight: 3.30 lbs (with pads), 2.95 lbs (without pads)
- Included Pads: Composite Metallic (CM) high-friction, high-static hold brake pads with noise-canceling shields
- Finish: Silver (no logo)
- MPN: 120-12069
The Wilwood D52 forged billet caliper is a direct bolt-on, high-strength alternative to original equipment cast iron calipers. Designed as an extreme-duty upgrade for select 1978-2002 GM mid-size cars and small trucks, this forged aluminum unit significantly reduces unsprung weight while increasing clamping efficiency.
Featuring a dual-piston configuration, the D52 provides improved pressure distribution across the brake pad compared to factory single-piston designs. This caliper is a preferred choice for street machines, hot rods, and competition categories that require the D52 mounting footprint. It is finished in a durable red powder coat for long-lasting corrosion resistance and aesthetics.
- Series: D52 Caliper
- Piston Diameter: Dual 1.62 in / 1.62 in (41.1 mm)
- Rotor Width: 0.81 in (20.6 mm)
- Material: Forged billet aluminum
- Finish: Red powder coat
- MPN: 120-11873-RD
The Wilwood Forged Narrow Superlite 6R (FNSL6R) 6-piston left-hand caliper brings radial-mount versatility and precision to one of the most trusted names in performance braking. By utilizing a radial mounting system, this caliper provides two planes of adjustment for dead-on alignment over the disc, simplifying the adaptation to a wide range of vehicle spindles.
Built to withstand extreme environments, the FNSL6R series combines Wilwood's forged aluminum strength with a staggered six-piston design. This configuration ensures even pad loading and consistent pressure across the friction surface, delivering the high-torque stopping power required for big-brake applications. It is engineered specifically for use with 1.25-inch thick rotors.
- Manufacturer Part Number: 120-11779-BK
- Orientation: Left Hand (LH)
- Piston Diameters: 1.62 in / 1.12 in / 1.12 in
- Compatible Rotor Width: 1.25 in
- Mounting Type: Radial Mount
- Finish: Black
- Material: Forged Aluminum
The Wilwood Forged Narrow Dynalite (FNDL) caliper is a high-strength, precision-engineered braking solution designed for demanding competition environments. Utilizing computer-generated stress analysis, this forged aluminum caliper provides superior bridge strength and performance compared to standard models, making it ideal for late models, modifieds, sprint cars, and off-road racing.
- Piston Size: 1.12-inch dual pistons
- Disc Thickness: Designed for 0.81-inch wide rotors
- Mounting: 3.50-inch centered mounting tabs for direct replacement of previous Wilwood NDL and competitive narrow-mount calipers
- Bridge Strength: Five-bolt internal design ensures positive pad retention and minimizes deflection under load
- Pad Compatibility: Top-loaded design accepts 7816 or 7216 type brake pads, including the full range of PolyMatrix compounds
- Manufacturer Part Number: 120-11578
This FNDL caliper offers a lightweight yet rigid housing, ensuring consistent pedal feel and reliable stopping power across a variety of track and trail conditions.
The Wilwood Forged Narrow Dynalite (FNDL) caliper, manufacturer part number 120-11576, is engineered for demanding competition environments including late models, modifieds, sprint cars, and road racing. Developed using advanced computer-generated stress analysis, this forged aluminum caliper provides superior bridge strength and rigidity compared to standard NDL models.
This caliper is a direct replacement for previous Wilwood NDL units and competitive brands utilizing 3.50-inch centered mounting tabs. It features a five-bolt bridge construction that significantly reduces deflection under load and ensures secure retention of top-loaded 7816 or 7216 type brake pads. The design allows for quick pad changes without removing the caliper, compatible with the full range of PolyMatrix compounds to suit specific thermal and friction requirements.
- Piston Size: 1.38 in
- Disc Width: 1.25 in
- Mounting Center: 3.50 in
- Material: High-strength forged aluminum
- Bridge Design: 5-bolt for maximum stiffness
- Pad Series: Top-loaded 7816 or 7216
- Manufacturer Part Number: 120-11576
The Wilwood Forged Superlite Internal (FSLI) caliper series is the latest innovation in the Superlite family, serving as a trusted benchmark for short track, road racing, and off-road competition. This redesigned FSLI model (MPN 120-11136) features internal fluid ports, effectively eliminating external crossover tubes and the risk of damage or failure from debris or impact.
Built for maximum versatility, the FSLI utilizes a symmetrical piston bore design and four bleed screw assemblies. This configuration allows the caliper to be mounted on either the left or right side of the vehicle in both leading and trailing positions, simplifying spares management and installation for racing teams.
- Piston Size: 1.75 in
- Rotor Width: 1.25 in
- Series: FSLI (Forged Superlite Internal)
- Mounting: Symmetrical / Universal (Left or Right Side)
- Fluid Flow: Internal ports eliminate external crossover tubes
- Bleed Screws: Four bleed screws for multi-position mounting
- Manufacturer Part Number: 120-11136
The Wilwood FSLI4 (Forged Superlite Internal) series represents the latest evolution of the industry-standard Superlite caliper, engineered for short track, late model, road racing, and high-performance sport driving. This redesigned model features internal fluid ports, effectively eliminating the external crossover tubes that are vulnerable to damage in harsh competition environments.
This symmetrical four-piston caliper is equipped with 1.62-inch pistons and is designed specifically for 1.25-inch thick rotors. The FSLI4 utilizes two additional bleed screw assemblies, allowing the unit to be mounted in either leading or trailing positions on the left or right side of the vehicle without modification.
- Brand: Wilwood
- Series: FSLI4 (Forged Superlite Internal)
- Part Number: 120-11133-RD
- Piston Size: 1.62 in
- Rotor Width: 1.25 in
- Piston Count: 4
- Finish: Red Powder Coat
- Mounting: Ambidextrous (Left/Right, Leading/Trailing)
The Wilwood Forged Superlite Internal (FSLI) series represents the latest evolution in the benchmark Superlite family, designed specifically for short track, late model, modified, and road-racing competition. This 4-piston caliper features a redesigned body with internal fluid ports, completely eliminating the external crossover tubes that are susceptible to track debris or impact damage.
Built with a symmetrical piston bore design, the FSLI can be mounted in either a leading or trailing position on the left or right side of the vehicle. Dual bleed screw assemblies ensure easy air evacuation regardless of mounting orientation. This model is engineered for 1.25-inch wide rotors and utilizes 1.62-inch pistons to provide consistent clamping force and thermal stability under racing conditions.
- Manufacturer Part Number: 120-11133
- Piston Size: 1.62 in
- Disc Width: 1.25 in
- Body Type: Forged Aluminum Superlite
- Internal fluid ports eliminate external cross-over tubes
- Symmetrical bore for versatile leading/trailing mounting
- Includes dual bleeders for simplified maintenance
The Wilwood Forged Superlite (FSLI) caliper series is an industry benchmark for competition use, excelling in short track, road-race, and high-performance off-road applications. This FSLI model features a significant redesign: internal fluid ports replace traditional external cross-over tubes. This eliminates the risk of external line damage and ensures a more reliable fluid path under racing conditions.
- Flexible Mounting: The symmetrical piston bore design, combined with dual bleed screw assemblies, allows the caliper to be mounted on either the right or left side in leading or trailing positions.
- Reliability: Redesigned internal ports eliminate vulnerable external transfer tubes.
- Performance Engineering: Forged aluminum body provides superior stiffness and heat management for 1.25-inch thick rotors.
- Specifications: 1.38-inch pistons; compatible with 1.25-inch disc thickness; Red powder-coat finish.
- MPN: 120-11130-RD
The Wilwood Forged Superlite Internal (FSLI) series is the latest evolution of the benchmark Superlite family, engineered for short track, road-race, and off-road competition. This redesigned model features internal fluid ports that eliminate the external crossover tubes, removing the risk of damage from track debris or mechanical interference.
The FSLI utilizes a symmetrical piston bore configuration equipped with four bleed screw assemblies. This design allows the caliper to be mounted in either a leading or trailing position on the right or left side of the vehicle, providing maximum versatility for custom brake setups. Forged from high-strength aluminum, it maintains structural rigidity under extreme braking loads common in late model and open-wheel racing.
- Manufacturer Part Number: 120-11130-BK
- Piston Diameter: 1.38 in
- Compatible Rotor Width: 1.25 in
- Finish: Black Anodized
- Internal fluid transfer eliminates external crossover tubes
- Symmetrical bore for universal leading or trailing mounting
- Forged aluminum body for high-stress durability
The Wilwood Forged Superlite (FSLI) series is a benchmark in short track, road racing, and off-road competition. This model features a redesigned body with internal fluid ports that eliminate the need for external crossover tubes, removing the risk of damage from debris or impact. The symmetrical piston bore layout, combined with four bleed screw assemblies, allows the caliper to be mounted in either leading or trailing positions on the left or right side of the vehicle.
- Piston Diameter: 1.38in (35.1mm)
- Rotor Width: Designed for 1.25in (31.8mm) thick discs
- Internal Crossover: Eliminates external fluid tubes for increased reliability
- Symmetrical Bore: Universal mounting for left/right and leading/trailing configurations
- Forged Construction: High-strength aluminum body for reduced flex under high pressure
- Manufacturer Part Number: 120-11130
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