The Wilwood 260-8420 Lever-Style Adjustable Proportioning Valve provides racers and performance drivers with precise, repeatable control over rear brake bias. This compact forged billet valve is engineered for strength and reliable pressure metering, replacing vague dial-type adjustments with a positive-engagement lever mechanism.

Designed for quick on-the-fly tuning, the lever "clicks" into six preset positions for immediate feedback. With an adjustment range of 100 to 1,000 PSI, this valve offers a maximum line pressure reduction of 57%, the highest reduction available in a single unit. It is an essential component for balancing braking performance across varying track conditions or load distributions.

• Manufacturer Part Number: 260-8420
• Adjustment Range: 100 - 1,000 PSI
• Pressure Reduction: Up to 57% maximum decrease
• Adjustment Type: 6-position lever with tactile detents
• Construction: Forged billet aluminum
• Weight: 6.1 oz
• Mounting: Side-mount via two 0.25" holes on 1.00" centers
• Inlet/Outlet: 1/8-27 NPT ports
• Included Hardware: Two 1/8-27 NPT to 3/8-24 inverted flare female fittings (compatible with standard 3/16" hard lines)

Dial in your vehicle's brake bias with the Wilwood Knob Adjustable Proportioning Valve. Engineered for high-performance and racing applications, this valve provides precise pressure metering to prevent rear-wheel lockup. The forged billet design offers superior strength and reliability while maintaining a compact, lightweight profile suitable for tight engine bays or chassis mounting.

• Pressure Range: Adjustable from 100 to 1,000 PSI for fine-tuned braking control.
• Bias Reduction: Delivers up to a 57% maximum decrease in line pressure.
• Construction: Compact forged billet body weighing only 5.2 ounces.
• Mounting: Features two 0.25-inch side mounting holes with 1.00-inch center-to-center spacing.
• Porting: 1/8-27 NPT inlet and outlet ports.
• Included Hardware: Two 1/8-27 NPT to 3/8-24 inverted flare female fittings designed for standard 3/16-inch domestic hard brake lines.

Whether correcting bias for a custom brake swap or adjusting for track conditions, Wilwood part number 260-8419 provides the incremental fine-thread adjustment required for professional-level stopping performance.

Wilwood’s Quick Disconnect Kit provides a professional-grade solution for rapid fluid line separation without the need for tools or time-consuming system bleeding. Specifically engineered for -3 AN plumbing, this coupling is ideal for high-performance braking systems and hydraulic clutch lines where service speed and reliability are critical.

The internal valving is designed for a leak-free "dry break," preventing air ingestion and fluid loss during disconnection. This allows for fast component swaps—such as master cylinders or calipers—during track-side maintenance or shop repairs. Built to withstand high-pressure environments, this kit ensures a secure seal every time the system is coupled.

• Size: -3 AN
• Manufacturer Part Number: 260-16771
• Dry-break valving prevents fluid loss and air entry
• Eliminates the need to bleed the system after disconnection
• Ideal for racing brake and clutch line applications

The Wilwood Brake Bleed Bottle (260-16018) is an essential maintenance tool designed to simplify hydraulic system bleeding while keeping your workspace clean. This kit allows you to capture old brake fluid and air bubbles directly from the caliper bleeder screw, preventing corrosive fluid from contacting your paint, wheels, or garage floor.

• Controlled Fluid Capture: The reservoir bottle safely contains expelled fluid during brake flushes or component installs.
• Clear View Tubing: Includes transparent tubing that connects to the bleeder valve, allowing you to monitor fluid color and identify when all air bubbles have been purged from the system.
• Universal Utility: Designed to work with most automotive hydraulic brake and clutch systems.
• Compact Design: Easy to store and handle during one-person or two-person bleeding procedures.
• Manufacturer Part Number: 260-16018

The Wilwood 260-15365 Residual Pressure Valve is engineered to maintain a constant 4 PSI of brake line pressure, preventing fluid drain back and eliminating excessive brake pedal travel. While 2 PSI valves are standard for disc brakes and 10 PSI for drums, this 4 PSI valve is specifically beneficial for high-vibration applications, such as off-road racing or dirt circle track environments, where caliper piston retraction can lead to a soft pedal.

• Pressure Rating: 4 PSI (Color-coded Gold for easy identification)
• Material: Precision-machined billet aluminum
• Port Size: 1/8-27 NPT
• Included Fittings: Two 1/8-27 NPT to 3/8-24 inverted flare female fittings
• Compatibility: Fits most domestic 3/16-inch hard brake lines
• Function: Maintains minimum line pressure to compensate for vibration and gravity-induced fluid return
• Part Number: 260-15365

The Wilwood 260-15048 Mounting Bracket Kit provides a professional, integrated solution for mounting a combination proportioning valve directly to your master cylinder. This kit eliminates the guesswork of custom plumbing by providing a clean, bolt-on layout designed specifically for right-hand (R/H) mounting configurations.

• Precision Fitment: Engineered to work with Wilwood Aluminum Tandem Master Cylinders, including part numbers 260-8555, 260-8556, 260-9439, 260-12900, and 260-13375.
• Complete Hardware: Includes a black e-coated R/H bracket for superior corrosion resistance and stainless steel button head fasteners.
• Pre-Bent Lines: Features precision-bent stainless steel fluid tubes with pre-installed stainless tube nuts for a seamless connection between the valve and the master cylinder.
• Versatile Application: Compatible with both manual and power-boosted brake systems.
• Included Components: This kit comes complete with the Combination Proportioning Valve (P/N 260-11179) and all necessary mounting hardware.

The Wilwood 260-14248 Mounting Bracket Kit offers a professional solution for plumbing and mounting a combination proportioning valve to Wilwood Remote Tandem Master Cylinders. Designed for both manual and power-boosted brake systems, this kit simplifies the installation process while ensuring a clean, factory-finished look.

• Durable Construction: The left-hand (L/H) bracket features a black e-coat finish for long-term corrosion resistance and durability.
• Stainless Steel Hardware: Includes precision-bent stainless steel fluid tubes with pre-installed stainless tube nuts for a direct, leak-free bolt-on installation.
• Complete Solution: This kit comes with the Wilwood Combination Proportioning Valve (260-11179) and all necessary stainless steel button head fasteners.
• Fitment: Specifically engineered to work with Wilwood Remote Tandem Master Cylinders.
• Manufacturer Part Number: 260-14248

The Wilwood 260-13784 New Style 10 lb Residual Pressure Valve is engineered to maintain consistent line pressure in drum brake systems. By retaining 10 PSI within the lines, this valve compensates for return spring tension and ensures wheel cylinder seals remain seated, effectively eliminating excessive brake pedal travel and improving response time.

Constructed from durable billet aluminum, this valve is color-coded red for immediate identification as a 10 lb unit. This kit includes the necessary hardware to adapt the valve's 1/8-27 NPT ports to standard 3/8-24 inverted flare female connections, ensuring compatibility with most domestic 3/16-inch hard brake lines.

• Maintains 10 PSI of residual pressure specifically for drum brake applications
• Compensates for return spring tension to keep wheel cylinder seals seated
• Reduces brake pedal stroke by preventing fluid drain-back
• Precision-machined billet aluminum body with a red anodized finish
• Includes two 1/8-27 NPT to 3/8-24 inverted flare female fittings
• Manufacturer Part Number: 260-13784

The Wilwood 260-13783 Residual Pressure Valve maintains 2 PSI of line pressure to eliminate excessive pedal travel and ensure consistent braking response. This 2lb valve is specifically engineered for disc brake applications where the master cylinder is mounted below the horizontal plane of the calipers. In these setups, gravity and vibration can cause fluid drain back, resulting in excessive piston retraction and a spongey or long brake pedal stroke. This valve prevents backflow without causing brake drag.

Constructed from billet aluminum and blue anodized for easy identification, this valve is designed for durability and precision. This package includes the necessary fittings to adapt the 1/8-27 NPT ports to standard brake lines.

• Part Number: 260-13783
• Pressure Rating: 2 PSI (2lb)
• Finish: Blue Anodized
• Material: Billet Aluminum
• Valve Ports: 1/8-27 NPT
• Included Fittings: Two 1/8-27 NPT to 3/8-24 inverted flare female
• Compatibility: Fits most domestic 3/16-inch hard brake lines
• Primary Application: Disc brake systems with floor-mounted master cylinders

The Wilwood 260-13706 is a "New Style" residual pressure valve designed to maintain a consistent 2 PSI of line pressure in disc brake systems. This valve is essential for vehicles where the master cylinder is mounted lower than the horizontal plane of the brake calipers, such as floor-mount configurations. By holding a small amount of pressure, it prevents fluid from draining back into the master cylinder due to gravity and vibration, which otherwise causes excessive piston retraction and a soft, long brake pedal stroke.

• Function: Maintains 2 PSI of pressure to prevent fluid drain-back without causing brake drag.
• Application: Specifically designed for disc brake systems (typically master-below-caliper setups).
• Construction: Manufactured from durable billet aluminum and color-coded blue for easy identification.
• Included Fittings: Supplied with two 1/8-27 NPT to 3/8-24 inverted flare female fittings compatible with most domestic 3/16-inch hard brake lines.
• Manufacturer Part Number: 260-13706

The Wilwood 260-12627 adjustable proportioning valve provides precise brake bias control in a compact, forged billet design. This valve allows for fine-tuning of the front-to-rear braking balance by proportionally decreasing rear line pressure, ensuring optimal stopping performance and stability under heavy braking. The fine-thread adjustment knob offers an industry-leading pressure reduction of up to 57%.

This specific model features M10x1.0 bubble flare (BBF) inlet and outlet ports, allowing for direct connection to metric brake lines without the need for additional tube nut adapters. This streamlines installation and reduces potential leak points in your hydraulic system.

• Pressure Range: 100 - 1000 PSI
• Maximum Reduction: 57% decrease in line pressure
• Construction: Forged billet aluminum body
• Port Type: M10x1.0 Bubble Flare (Inlet & Outlet)
• Mounting: Two 0.25-inch side holes spaced 1.00-inch apart
• Weight: 5.2 ounces
• Manufacturer Part Number: 260-12627

The Wilwood 260-11593 Master Cylinder Bench Bleeding Kit provides the essential hardware required to properly purge air from a new or rebuilt master cylinder before it is bolted to the vehicle. Bench bleeding is a critical installation step to ensure a firm pedal and prevent trapped air from migrating into the brake lines, which often causes a spongy feel or compromised hydraulic pressure.

Engineered for versatility, this kit is compatible with both single and tandem outlet master cylinders. By looping fluid back into the reservoir using the included fittings and hoses, you can effectively cycle the piston until all air bubbles are eliminated from the bore and internal circuits.

• Compatible with single and tandem outlet master cylinders
• Includes specialized threaded fittings and flexible clear hoses
• Essential for ensuring a 100% air-free brake hydraulic system
• Simplifies the bleeding process and reduces fluid mess
• Manufacturer Part Number: 260-11593

The Wilwood 260-11179 Combination Proportioning Valve substantially simplifies the plumbing, mounting, and wiring required for custom brake systems. This compact block maintains full fluid isolation between the front and rear circuits and is compatible with most tandem outlet or dual mount master cylinder assemblies. It is an ideal solution for builders looking to streamline their brake system layout while retaining precise control over brake bias.

The rear circuit features a single inlet and outlet controlled by a heavy-duty adjustment knob for fine-tuning rear brake pressure. The front circuit provides a single inlet with dual outlets, which can be used to split the lines directly to the front calipers or converted to a single outlet by plugging one port. A built-in pressure switch is included to simplify the integration of brake light circuits.

• Manufacturer Part Number: 260-11179
• Adjustment Style: Rotary Knob
• Inlet/Outlet Size: 3/8-24 Inverted Flare (IF)
• Front Circuit: 1 Inlet, 2 Outlets (pluggable for single-line use)
• Rear Circuit: 1 Inlet, 1 Outlet (adjustable)
• Circuit Isolation: Maintains full isolation between front and rear
• Included Hardware: Integrated brake light switch

Fine-tune your vehicle's braking bias with the Wilwood 260-10922 adjustable proportioning valve. This valve allows for precise pressure metering to the rear brakes, helping to eliminate rear-wheel lockup during heavy braking by proportionally decreasing line pressure. Designed for performance and longevity, it features a compact forged billet body for superior strength and a fine-thread adjustment knob for accurate tuning.

This specific model is engineered with 3/8-24 inverted flare (IF) inlet and outlet ports, allowing for the direct installation of 3/16-inch brake tubing without the need for additional tube nut adapters. The internal mechanism provides the widest range of adjustment on the market, capable of reducing line pressure by up to 57%.

• Manufacturer Part Number: 260-10922
• Pressure Range: 100 - 1000 PSI
• Pressure Reduction: Up to 57% maximum decrease
• Port Size: 3/8-24 Inverted Flare (IF) Inlet and Outlet
• Construction: Forged billet aluminum body
• Weight: 5.2 ounces
• Mounting: Two 0.25-inch side holes spaced 1.00-inch apart
• Compatibility: Direct fit for 3/16-inch tubing with 3/8-24 nuts

The Wilwood Caliper Pressure Gauge is a precision diagnostic tool designed for professional brake bias setup and hydraulic system troubleshooting. This gauge provides rapid, accurate brake line pressure readings from 0-1,500 PSI (0-10,000 kPa), allowing technicians to verify proportioning valve settings and identify master cylinder or caliper issues with confidence.

Built for the rigors of the track and shop, the 2-inch diameter face features a non-hazing lens to ensure long-term clarity. The 20 PSI graduations combined with a 1.5% accuracy rating provide the high-resolution feedback necessary for fine-tuning racing brake systems. The housing is durable and corrosion-resistant for a long service life in demanding environments.

• Manufacturer Part Number: 260-0966
• Pressure Range: 0-1,500 PSI / 0-10,000 kPa
• Accuracy: 1.5%
• Face Diameter: 2.00 inches
• Graduations: 20 PSI increments
• Lens: Non-hazing face for maximum visibility
• Features: Durable, corrosion-resistant construction

This Wilwood front bracket kit is engineered to mount lug mount calipers with a 5.25-inch center-to-center mounting distance to Acura Integra and Honda Civic models equipped with 262mm drag rotors. Precision-machined from high-strength aluminum alloy, these brackets provide a rigid, lightweight interface for high-performance braking applications.

• Manufacturer Part Number: 250-8404
• Caliper Fitment: Designed for Wilwood SL6R and other 5.25-inch lug mount calipers
• Rotor Compatibility: 262mm (10.31-inch) Drag Rotors
• Material: High-strength aluminum alloy
• Hardware: Includes 3/8-24 clinch nuts for secure caliper mounting
• Application: Vehicle-specific for select Acura and Honda models

The Wilwood FSL6R bracket kit (250-6309) is designed to mount Forged Superlite Radial Mount calipers to 3.50-inch center-to-center lug mount points. This kit is precision-engineered with an optimized mounting height, allowing for the installation of radial mount calipers in various applications that were originally configured for Superlite series lug-mount calipers.

• Manufacturer Part Number: 250-6309
• Caliper Compatibility: Wilwood Forged Superlite Radial Mount (FSL6R) series
• Mounting Dimension: 3.50-inch center-to-center lug mount
• Materials: High-strength bracket construction for rigid caliper positioning
• Included Components: Caliper brackets, mounting studs, adjustment shims, and all necessary mounting hardware

This Wilwood lug mount front bracket is engineered specifically for select Honda and Acura applications utilizing a 262mm rotor. It provides a precise mounting solution for Wilwood Forged Dynalite (FDL) and other calipers featuring a 5.25-inch lug mount center-to-center spacing.

Precision-machined from high-strength aluminum alloy, this bracket is designed to withstand the stresses of high-performance braking while maintaining rigid caliper alignment. Each bracket includes pre-installed 3/8-24 clinch nuts to streamline the installation of your Wilwood calipers to the factory spindle points.

• Fits Honda and Acura applications with 262mm diameter rotors
• Compatible with Wilwood calipers using a 5.25" lug mount spread
• CNC-machined from high-strength aluminum alloy
• Pre-installed 3/8-24 clinch nuts for secure caliper mounting
• Sold individually (each)
• Manufacturer Part Number: 250-6289

The Wilwood 250-3677 Tandem Master Cylinder Bracket Adapter Kit is engineered to adapt Wilwood Chrysler-style or Tandem master cylinders to a single clutch pedal assembly. This kit provides a secure mounting interface and ensures proper pushrod alignment for consistent pedal feel and hydraulic engagement.

• Adapts Chrysler-style or Tandem master cylinders to single clutch pedal configurations
• High-strength adapter bracket designed for rigid mounting and reduced firewall flex
• Includes a complete pushrod assembly with clevises for precise linkage adjustment
• Comprehensive hardware kit with necessary mounting bolts included
• Manufacturer Part Number: 250-3677

This Wilwood backing plate is specifically engineered for Big Ford "New Style" (Torino) rear axle housings. Designed for integration with Wilwood Electric Parking Brake (EPB) systems, this plate provides the necessary mounting foundation for precise caliper alignment and reliable parking brake engagement.

• Axle Flange: Big Ford New Style (Torino)
• Offset: 2.50 inches (.761)
• System Compatibility: Wilwood EPB (Electric Parking Brake)
• Manufacturer Part Number: 250-15858

Constructed to rigorous tolerances, this backing plate ensures your brake conversion or repair maintains correct geometry. It is an essential component for builders and technicians installing EPB-equipped rear disc brake kits on Ford-style rear ends.

Ensure precise caliper alignment and rigid mounting with the Wilwood FNSLR Series Rear Radial Mount Caliper Bracket (MPN: 250-10212). Engineered for strength and weight savings, this bracket is designed to mount FNSLR series radial mount calipers on 5.98-inch mounting centers, accommodating rear rotor diameters ranging from 11.00 to 12.19 inches.

Constructed from high-strength aluminum alloy, this bracket provides a durable interface for high-performance braking systems. The radial mount design allows for fine-tuning the caliper position over the rotor for optimal pad sweep and thermal management. This bracket is compatible with either the left-hand or right-hand side of the vehicle and includes necessary mounting studs and caliper hardware to complete the installation.

• Manufacturer Part Number: 250-10212
• Fitment: Rear (L/H or R/H)
• Compatible Rotors: 11.00" to 12.19" diameter
• Caliper Series: Wilwood FNSLR radial mount
• Mounting Centers: 5.98"
• Material: High-strength aluminum alloy
• Includes: Mounting studs and caliper hardware

This Wilwood Pro Street Rear Brake Bracket Kit (249-2105/06) provides a robust, lightweight mounting solution for Big Ford axle housings with a 2.50-inch offset. These brackets are essential for maintaining precise caliper-to-rotor alignment in Pro Street rear disc brake conversions, ensuring reliable clamping force and even pad wear.

Each bracket is precision-machined from a high-strength aluminum alloy for durability without excessive unsprung weight. The assembly includes integrated 3/8-24 steel clinch nuts and an additional lug mount caliper bracket featuring 5.25-inch mounting centers. This kit is specifically optimized for systems utilizing 12.19-inch diameter rotors and Wilwood FDL calipers.

• Application: Fits Big Ford rear axle housings with 2.50in offset
• Caliper Compatibility: 5.25in mount centers (designed for FDL calipers)
• Rotor Diameter: Optimized for 12.19in rotors
• Material: High-strength aluminum alloy
• Hardware: Pre-installed 3/8-24 steel clinch nuts
• Manufacturer Part Number: 249-2105/06

Fits 1974-1978 Ford Mustang II and Ford Pinto models.

This Wilwood front lug-mount bracket kit is engineered from high-strength aluminum alloy to provide a rigid, lightweight mounting solution for performance brake upgrades. Designed specifically for applications using 12.19-inch diameter rotors, these brackets facilitate the installation of calipers with a 5.25-inch center-to-center lug mount spacing. Each bracket is precision-machined for vehicle-specific fitment and includes integrated 3/8-24 clinch nuts for secure caliper attachment.

• Material: High-strength aluminum alloy
• Mounting Type: Lug mount, 5.25-inch center-to-center
• Rotor Diameter: 12.19 inches
• Hardware: Integrated 3/8-24 clinch nuts included
• Placement: Front axle
• Manufacturer Part Number: 249-10404/05

Wilwood 240-1159 washers are engineered for precision spacing and secure hardware mounting in high-performance braking systems and automotive assemblies. Manufactured from high-strength alloy steel, these washers provide the structural integrity required to maintain consistent clamping force under load.

• Inner Diameter (ID): .375 in
• Outer Diameter (OD): .875 in
• Thickness: .035 in
• Material: High-strength alloy steel
• Finish: Type II Gold Zinc plating for superior corrosion resistance
• Manufacturer Part Number: 240-1159

The Wilwood 230-8390 Brake Hat and Rotor Bolt Kit is a specialized hardware set designed for the secure attachment of brake rotors to their corresponding hats or adapters. These high-strength fasteners are engineered to withstand the significant shear forces and thermal cycles inherent in high-performance braking applications.

• Thread Size: 5/16-18
• Length: 1.00 Inch
• Quantity: 8 Pack
• Application: Rotor to hat or adapter mounting
• Manufacturer Part Number: 230-8390

This Wilwood Rotor Bolt Kit (MPN 230-8217) provides the specialized hardware required to securely mount brake rotors to their corresponding hats or adapters. Designed for high-performance braking systems, these fasteners ensure a precise fit and reliable retention under the thermal stresses and vibrations inherent to heavy braking environments.

The bolts are manufactured from high-grade stainless steel, offering superior corrosion resistance compared to standard zinc-plated hardware. The 12-point head design provides increased surface area for tool engagement, allowing for accurate torque application while maintaining a compact profile for better clearance in tight rotor hat assemblies.

• Thread Pitch: 1/4-28
• Length: 0.75 inch
• Head Style: 12-Point
• Material: Stainless Steel
• Function: Secures rotor to hat or adapter
• Manufacturer Part Number: 230-8217

The Wilwood 230-8037 is a high-strength stainless steel rotor bolt designed for precision assembly of brake hats and rotors. The 12-point head design offers superior socket engagement and allows for more consistent torque application compared to standard hex fasteners, which is critical in high-heat braking environments. These bolts are manufactured to strict tolerances to ensure reliable clamping force and resistance to vibration.

• Manufacturer Part Number: 230-8037
• Material: High-strength stainless steel for maximum corrosion resistance
• Thread Size: 1/4-20
• Underhead Length: 0.75 inch
• Head Style: 12-Point (12pt)
• Application: Ideal for securing rotor rings to hats or hubs in performance brake systems

Ensure a secure and precise interface between your brake components with the Wilwood ProMatrix Rotor Bolt Kit (230-8008). Specifically engineered for ProMatrix series applications, this hardware kit provides the essential high-strength fasteners required to mount rotors to their designated hats or adapters.

Each kit is manufactured to Wilwood's exacting standards, ensuring consistent clamping force and reliable performance under the high-thermal loads of performance braking. Replacing hardware during rotor service is critical for maintaining proper rotor alignment and preventing fastener fatigue or vibration.

• Manufacturer Part Number: 230-8008
• Specifically designed for Wilwood ProMatrix Hat and Rotor assemblies
• High-strength fasteners for critical brake system mounting
• Direct replacement for ProMatrix series rotor hardware

The Wilwood Dynamic Mount Rotor Bolt Kit (230-6656) provides the specialized hardware required for high-performance floating rotor assemblies. This kit is engineered to facilitate dynamic mounting for specific Wilwood hat or rotor adapters, allowing the brake rotor to expand and contract under extreme thermal loads without distorting the hat or causing pedal pulsation.

Built to handle the rigorous shear and heat of performance braking, this 12-bolt front kit includes the necessary fasteners and a dedicated T-Nut installation tool. Using the correct T-Nut tool ensures proper seating and torque, maintaining the mechanical integrity of the floating system during installation and service.

• Designed for front 12-bolt dynamic mount rotor configurations
• Maintains rotor-to-hat alignment while allowing thermal expansion
• Includes specialized T-Nut installation tool for precise assembly
• Direct replacement hardware for specific Wilwood brake systems
• Manufacturer Part Number: 230-6656

Ensure a reliable mechanical connection in your braking system with the Wilwood 230-6171 Push Rod. Engineered specifically for Wilwood Combination Remote Master Cylinders, this component translates pedal force into hydraulic pressure with precision and minimal deflection.

• High-Strength Material: Manufactured from premium alloy steel to withstand high-stress braking loads in both street and performance applications.
• Corrosion Resistance: Features a durable zinc-plated finish to prevent oxidation and ensure smooth operation over a long service life.
• Precision Fit: Designed to interface perfectly with Wilwood-series master cylinder pistons for consistent pedal feel.
• Part Number: 230-6171