The Wilwood HV Tandem Master Cylinder Kit provides a comprehensive solution for upgrading brake pressure actuation and fluid control in custom brake systems. This kit centers on the high-volume (HV) aluminum tandem chamber master cylinder, featuring a 1-1/8 inch bore designed for consistent performance in both manual and power brake applications. The master cylinder utilizes a slotted flange mounting pattern, ensuring compatibility with a wide range of OE mounts including Chrysler, Corvette, GM, and Ford Mustang bolt patterns.

• Master Cylinder: Tandem chamber aluminum body with a 1-1/8" bore for high-volume fluid displacement.
• Proportioning Valve: Combination block simplifies wiring and provides precise front-to-rear fluid circuit isolation and adjustment.
• Mounting Hardware: Includes a left-hand (LH) mounting bracket and stainless steel button head fasteners for secure installation.
• Plumbing: Precision-bent stainless steel fluid tubes with pre-installed plated steel tube nuts facilitate a direct connection between the valve and master cylinder.
• Finish: The proportioning valve and mounting bracket feature a durable black E-coat for superior corrosion resistance.
• Part Number: 261-13270

Engineered for durability and ease of installation, this kit eliminates the guesswork of plumbing custom brake setups. Simply mount the assembly, connect your fluid lines, and bleed the system to achieve professional-grade braking performance and reliability.

The Wilwood HV Tandem Master Cylinder Kit (261-13269-P) provides a complete solution for brake pressure actuation and fluid control. This kit features a ball burnished aluminum tandem chamber master cylinder with a 1.00-inch bore, designed for both manual and power brake applications. The slotted flange mounting ensures a direct bolt-on fitment for various OE mounts, including Chrysler, Corvette, GM, and Ford Mustang patterns.

• Master Cylinder: 1.00" bore, ball burnished finish, tandem chamber design for refined fluid control.
• Proportioning Valve: Black E-coated combination valve simplifies wiring and rear-to-front bias adjustments while maintaining circuit isolation.
• Mounting Hardware: Includes a black E-coated left-hand (L/H) mounting bracket and stainless steel button head fasteners.
• Fluid Tubes: Precision-bent stainless steel tubes with pre-installed plated steel tube nuts for a clean connection between the cylinder and valve.

This master cylinder kit is engineered for long-term durability and rust-free performance, simplifying the plumbing and installation process for custom or restoration brake systems.

The Wilwood HV Tandem Master Cylinder Kit (MPN 261-13269-BK) provides a high-performance solution for brake system fluid control and bias adjustment. Engineered for both manual and power brake applications, this kit centers on a 1-inch bore tandem chamber master cylinder designed for consistent pressure actuation. The black E-coat finish on the cylinder, valve, and bracket ensures long-term corrosion resistance and a clean look in any engine bay.

• Precision 1.00" Bore: Balanced for optimal pedal feel and displacement in various braking configurations.
• Combination Proportioning Valve: Simplifies wiring and allows for precise rear brake bias tuning while maintaining front-to-rear fluid isolation.
• Universal Mounting Flange: Slotted design facilitates a bolt-on installation for common Chrysler, Corvette, GM, and Ford Mustang bolt patterns.
• Stainless Steel Plumbing: Includes precision-bent stainless steel tubes with plated steel nuts for reliable, leak-free connection between the master cylinder and the valve.
• Durable Hardware: Comes with stainless steel button head fasteners and a dedicated left-hand mounting bracket for a professional, secure installation.

This kit is designed for builders who require a clean, integrated master cylinder and proportioning valve setup. By including the bracket and pre-bent lines, Wilwood eliminates the need for custom fabrication during the plumbing process.

The Wilwood HV Tandem Master Cylinder Kit (261-13269) provides a professional-grade solution for high-performance brake pressure actuation and fluid control. This kit features a 1.00-inch bore aluminum tandem chamber master cylinder paired with a combination proportioning valve, a left-hand mounting bracket, and precision-bent stainless steel fluid tubes. The tandem chamber design represents a significant refinement in safety, maintaining full isolation between front and rear fluid circuits.

Designed for versatility, the master cylinder uses a slotted flange for a direct bolt-on installation to Chrysler, Corvette, GM, and Ford Mustang bolt patterns. It is fully compatible with both manual and power brake systems, making it an ideal choice for custom builds or OE replacements requiring improved bias control and reliable durability.

• Master Cylinder: 1.00-inch bore tandem chamber aluminum body.
• Proportioning Valve: Black E-coated combination block simplifies wiring and bias adjustments.
• Plumbing: Precision-bent stainless steel fluid tubes with plated steel tube nuts.
• Mounting: Includes black E-coated LH bracket and stainless steel button-head fasteners.
• Fitment: Slotted flange fits many GM, Ford, and Chrysler mounts (manual or power).
• Manufacturer Part Number: 261-13269

The Wilwood 260-9921 solenoid-activated valve is designed for precise hydraulic control, functioning as a dedicated brake shut-off for competition applications. When energized, this solenoid blocks pressure from reaching downstream components. Crucially, the internal design allows fluid to return to the master cylinder even when the valve is closed, eliminating the risk of trapping pressure in the lines during activation.

• Manufacturer Part Number: 260-9921
• Function: Blocks downstream hydraulic pressure when energized
• Safety Feature: Open return path to master cylinder prevents trapped pressure
• Power Requirements: 12 Volt DC
• Recommended Circuit: 5 amp fused power source via toggle switch

Note: This unit is not a line lock assembly and is strictly intended for off-road or competition use. Not for street use. Professional installation is recommended following Wilwood instruction sheet DS-572.

The Wilwood High Volume Tandem Master Cylinder (MPN 260-9439-BK) is a lightweight, high-performance solution for manual brake applications on domestic cars and trucks from the mid-1960s to present. Machined from high-pressure die castings, this unit weighs only 3 lbs—providing a 75% weight savings over traditional cast iron OE master cylinders. The 7/8-inch bore and black e-coat finish offer a balance of durable performance and a clean, corrosion-resistant look.

This master cylinder is designed for versatile plumbing with fluid outlet ports on both sides of the bore and accommodates mounting flanges ranging from 3.22" to 3.40". The internal stroke is set at 1.10" with a 2:1 volume ratio between primary and secondary chambers to ensure precise hydraulic control.

• Bore Size: 7/8 inch
• Finish: Black e-coat
• Material: High-pressure die-cast aluminum
• Stroke Length: 1.10"
• Volume Ratio: 2:1
• Mounting Flange: 3.22" - 3.40" range
• Weight: 3 lbs
• Included Hardware: Matching pushrod
• Compatible Upgrades: Works with proportioning valve kit 260-13190 or retrofit kit 220-13189

The Wilwood 260-8742 remote reservoir kit is designed to relocate the brake fluid supply for Wilwood Compact Series remote master cylinders, providing crucial clearance in tight engine bays or custom chassis configurations. This 10.7 oz. capacity reservoir allows for easier fluid level monitoring and maintenance when the master cylinder is mounted in an inaccessible location.

• Compatibility: Engineered specifically for use with Wilwood Compact Master Cylinders.
• Fittings: Includes aluminum adapter fittings to convert a 7/16-20 master cylinder inlet to a 3/8-inch ID hose connection.
• Hardware: Complete with a reservoir mounting bracket and a secure-seal reservoir cap.
• Hose: Includes 30 inches of specialty low-permeability hose specifically formulated for compatibility with brake fluid.
• Capacity: 10.7 oz reservoir volume.
• Manufacturer Part Number: 260-8742

The Wilwood High Volume Tandem Master Cylinder (260-8556-P) provides a high-performance alternative to heavy cast iron OE units. Designed primarily for power brake applications using vacuum or hydraulic assist, this 1-1/8-inch bore master cylinder is machined from high-pressure die castings. At just 3 lbs, it delivers a 75% weight reduction over typical cast iron cylinders while maintaining superior structural integrity.

Engineered for versatility, this unit features a 1.10-inch stroke and a 2:1 volume ratio between the primary and secondary chambers. The universal mounting flange is slotted to accommodate 3.22-inch to 3.40-inch bolt spreads, a standard measurement for most domestic cars and trucks from the mid-1960s through the present. Dual fluid outlet ports on both sides of the bore offer flexible plumbing options for custom or restricted engine bays.

• Bore Size: 1-1/8 inch (1.125")
• Finish: Ball Burnished aluminum
• Material: High-pressure die-cast aluminum
• Stroke: 1.10"
• Volume Ratio: 2:1
• Mounting Flange: 3.22" to 3.40"
• Weight: 3 lbs
• Manufacturer Part Number: 260-8556-P

Note: This master cylinder is compatible with Wilwood combination proportioning valve kits (PN 260-13190) and retrofit kits (PN 220-13189) for a complete brake system solution.

Designed for performance and weight reduction, the Wilwood 260-8556-BK High Volume Tandem Master Cylinder is a high-pressure aluminum die-cast alternative to heavy cast iron OE units. Weighing only 3 lbs, this unit provides a 75% weight savings over traditional master cylinders. This 1-1/8" bore version is engineered primarily for power brake applications utilizing either vacuum or hydraulic assist systems.

The master cylinder features a slotted mounting flange designed to accommodate measurements from 3.22" to 3.40", making it a direct fit for many domestic cars and trucks from the mid-1960s to present. For plumbing flexibility, it offers fluid outlet ports on both sides of the bore.

• Bore Size: 1-1/8"
• Finish: Black e-coat
• Material: High-pressure die-cast aluminum
• Stroke: 1.10"
• Volume Ratio: 2:1 (primary to secondary)
• Weight: 3.0 lbs
• Mounting Flange: 3.22" to 3.40" spread
• Outlet Ports: Dual-sided
• Manufacturer Part Number: 260-8556-BK

This unit is compatible with Wilwood combination proportioning valve kits (PN 260-13190) or retrofit kits (PN 220-13189) for complete brake system optimization.

Wilwood’s High Volume Tandem Aluminum Master Cylinder is engineered for high-performance braking in domestic cars and trucks from the mid-1960s to present. This 1-1/8” bore unit is optimized specifically for power brake applications, including vacuum-assist and hydraulic-assist systems. Weighing only 3 lbs, this high-pressure die-cast aluminum cylinder provides a 75% weight reduction over traditional cast iron OE units.

The design features fluid outlet ports on both sides of the bore for flexible plumbing and simplifies installation on a wide range of custom and classic configurations. It is designed to fit mounting flanges ranging from 3.22” to 3.40” and utilizes a set stroke of 1.10” with a 2:1 volume ratio between chambers.

• Bore Size: 1-1/8” (1.125 inch)
• Stroke: 1.10”
• Volume Ratio: 2:1 (Primary to Secondary)
• Material: High-pressure die-cast aluminum
• Weight: 3 lbs
• Mounting Flange: 3.22” to 3.40” centers
• Manufacturer Part Number: 260-8556

The Wilwood Tandem Aluminum Master Cylinder (260-8555-BK) provides a significant 75% weight reduction over traditional cast iron OE units, weighing in at just 3 lbs. Machined from high-pressure die castings, this 1.00-inch bore cylinder is engineered for versatility, supporting both manual and power-assisted braking applications on domestic cars and trucks from the mid-1960s to the present with 3.22-inch to 3.40-inch mount flanges.

This master cylinder features fluid outlet ports on both sides of the bore to simplify plumbing in custom or tight engine bays. The 1.10-inch stroke and 2:1 volume ratio between the primary and secondary chambers ensure consistent hydraulic pressure and reliable pedal feel.

• Bore Size: 1.00 inch
• Finish: Black E-coat
• Material: High-pressure die-cast aluminum
• Weight: 3 lbs
• Mounting: Fits 3.22-inch to 3.40-inch flange spacing
• Stroke: 1.10 inches
• Volume Ratio: 2:1
• Ports: Dual-side fluid outlets
• Manufacturer Part Number: 260-8555-BK

Note: This 1.00-inch bore model is designed for manual or power-assisted applications and does not include a pushrod. For a complete plumbing solution, this unit is compatible with Wilwood combination proportioning valve kits (PN 260-13190 or 220-13189).

This Wilwood High Volume Tandem Master Cylinder provides a high-performance braking solution for select domestic cars and trucks from the mid-1960s to present. Engineered for both manual and power-assisted applications, this master cylinder features a 1-inch bore and is machined from high-pressure die castings. At just 3 lbs, it offers a significant 75% weight reduction compared to traditional cast iron OE units.

• Manufacturer Part Number: 260-8555
• Bore Size: 1.00 inch
• Mounting Flange: 3.22 to 3.40 inch (standard domestic fitment)
• Stroke: 1.10 inch
• Volume Ratio: 2:1 (primary to secondary chambers)
• Material: High-pressure die-cast aluminum
• Fluid Outlets: Dual-sided outlet ports for versatile plumbing
• Compatibility: Suitable for manual or power-assisted systems; does not include pushrod

The tandem design ensures reliable pressure distribution, while the side-exit ports simplify installation in tight engine bays. For a complete installation, this unit is compatible with Wilwood's combination proportioning valve kits (sold separately).

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.

The Wilwood Tandem Master Cylinder (MPN 260-7563) provides a reliable and safe solution for actuating four-wheel or dual-caliper axle brake systems. Engineered for precision, this cylinder features a 1.00-inch bore and a 1.10-inch stroke, delivering a balanced 50/50 pressure output between the front and rear circuits.

This master cylinder is designed for straightforward installation and can be bolted directly to Wilwood’s single mount pedals. The assembly is shipped as a complete kit, featuring pre-installed 4-ounce reservoirs and the required pushrod hardware to streamline your brake system upgrade.

• Manufacturer Part Number: 260-7563
• Bore Size: 1.00 inch
• Stroke Length: 1.10 inch
• Output Ratio: 50/50
• Reservoir Type: Dual 4oz remote reservoirs (pre-installed)
• Pushrod Included: 3.38 inch x 5/16-24
• Compatibility: Direct bolt-on for Wilwood single mount pedals

The Wilwood High-Volume Aluminum Master Cylinder is engineered for high-performance braking systems requiring maximum fluid capacity and reliable pedal response. Each unit features a high-pressure die-cast body constructed from high-grade aluminum, designed to withstand the rigors of racing and street performance. With a total capacity of 8.2 ounces, this master cylinder offers the largest integral reservoir on the market—providing 26% more volume than standard designs.

Equipped with 1-7/16" of piston travel, this cylinder provides an essential safety margin when paired with large-piston multi-pot calipers. The assembly includes heavy-duty internal springs to ensure rapid piston retraction and consistent performance. A formed steel lid and bellows-type gasket provide a moisture-tight seal to protect the brake fluid from contamination.

• Manufacturer Part Number: 260-6766
• Bore Size: 1.00"
• Reservoir Capacity: 8.2 Ounces
• Piston Travel: 1-7/16"
• Material: High-pressure die-cast aluminum
• Outlet Port: 1/8-27 NPT
• Mounting: Common flange or side mount dimensions
• Lid: Formed steel with bellows-style gasket

The Wilwood High-Volume Aluminum Master Cylinder is engineered for high-demand braking systems requiring maximum fluid capacity. Featuring a high-pressure die-cast body made from high-grade aluminum, this integral reservoir design provides a total capacity of 8.2 ounces—at least 26% more volume than standard master cylinders. This added capacity, combined with 1-7/16 inches of piston travel, provides a critical safety margin when paired with large-piston calipers.

• Manufacturer Part Number: 260-6765
• Bore Size: 7/8in (22.2mm)
• Piston Travel: 1-7/16in (36.5mm)
• Reservoir Capacity: 8.2 oz
• Outlet Port: 1/8-27 NPT
• Material: High-grade die-cast aluminum body with formed steel lid
• Seal Protection: Bellows-type gasket to prevent moisture contamination
• Mounting: Dual-purpose flange or side-mount configuration
• Return Action: Heavy-duty internal springs for rapid piston retraction

The Wilwood High-Volume Aluminum Master Cylinder (MPN 260-6764) is engineered for high-performance braking systems requiring increased fluid capacity. Featuring a high-pressure die-cast aluminum body, this master cylinder provides an 8.2-ounce reservoir—the largest available in an integral design. This added volume offers a 26% increase over competing brands, ensuring a significant safety margin for systems utilizing large-piston calipers.

Designed for reliability and consistent pedal feel, the unit features 1-7/16" of piston travel and heavy-duty internal springs for rapid retraction. The assembly is sealed with a formed steel lid and bellows-type gasket to prevent moisture contamination. Its versatile design supports both flange and side mounting using standard dimensions for easy installation in various automotive applications.

• Bore Size: 3/4" (0.75 in)
• Reservoir Capacity: 8.2 oz
• Piston Travel: 1-7/16"
• Material: High-pressure die-cast aluminum
• Outlet Port: 1/8-27 NPT
• Mounting: Flange or side mount
• Manufacturer Part Number: 260-6764

The Wilwood Compact Aluminum Master Cylinder (MPN: 260-6579) is a lightweight, space-saving hydraulic solution engineered for clutch systems and small brake requirements. Renowned for its dependability in racing and performance applications, this unit features a cast aluminum body designed to withstand high-pressure cycles while maintaining a minimal footprint.

Each cylinder incorporates an improved plastic screw-on filler cap to provide a secure seal for the integrated 1.4-ounce reservoir, protecting fluid from contamination and moisture. Its compact design makes it an ideal choice for custom pedal assemblies or vehicles with limited bulkhead clearance.

• Bore Size: .700in
• Reservoir Capacity: 1.4 oz
• Material: Precision-cast Aluminum
• Cap Type: Improved screw-on plastic filler cap
• Manufacturer Part Number: 260-6579

The Wilwood Compact Remote Master Cylinder (MPN 260-6089) is an engineered hydraulic solution for space-constrained cockpits and custom chassis. Designed primarily for club sport racers, open-wheel cars, and specialized custom builds, this aluminum master cylinder provides reliable pressure in a compact footprint where traditional reservoirs may not fit.

This unit features a .750-inch bore and a full 1.4 inches of stroke, providing the displacement necessary to accommodate short pedal ratios and small brake calipers. The versatile design allows for use with either a detachable or remote-fill reservoir, making it equally effective for braking systems or hydraulic clutch actuation in tight engine bays.

• Bore Size: .750"
• Stroke: 1.40"
• Body Material: High-strength aluminum
• Configuration: Remote reservoir (detachable or remote fill)
• Applications: Brake calipers or hydraulic clutch systems
• Manufacturer Part Number: 260-6089

The Wilwood Compact Remote Aluminum Master Cylinder (MPN 260-6088) is a specialized hydraulic solution designed for club sport racers, small open-wheel cars, and custom builds with limited mounting space. This master cylinder is precision-machined from high-strength aluminum to provide a lightweight yet durable component for demanding braking or clutch applications.

With a 0.700-inch bore and a generous 1.4-inch stroke, this cylinder is specifically engineered to accommodate short pedal ratios and small brake calipers. The versatile design allows for integration with either a detachable reservoir mounted directly to the body or a remote-fill reservoir connected via hydraulic lines, providing flexibility for tight chassis configurations.

• Bore Size: 0.700 in (17.78 mm)
• Max Stroke: 1.40 in (35.56 mm)
• Material: Aluminum
• Mounting: Compact footprint for space-constrained applications
• Compatibility: Suitable for brake systems or hydraulic clutch actuation
• Manufacturer Part Number: 260-6088

The Wilwood 260-6087 Compact Remote Master Cylinder provides a high-performance solution for club sport racers, small open-wheel cars, and custom builds with limited mounting space. This lightweight aluminum cylinder is engineered for flexibility, allowing for use with either a detachable or remote-fill reservoir to accommodate tight pedal boxes and engine bays.

Featuring a .625-inch bore and a generous 1.4 inches of stroke, this unit is specifically designed to handle short pedal ratios, small-piston brake calipers, or hydraulic clutch actuation. Its compact footprint does not compromise on fluid displacement, ensuring consistent pressure and reliable actuation in demanding racing environments.

• Manufacturer Part Number: 260-6087
• Bore Size: .625" (15.88mm)
• Maximum Stroke: 1.40" (35.56mm)
• Material: Lightweight, high-strength aluminum
• Compatibility: Designed for remote or direct-mount reservoir configurations

The Wilwood 260-4894 Chrysler Style Master Cylinder Kit offers a lightweight, high-capacity braking solution for drag racing, late model stock cars, street rods, and off-road builds. Weighing just 2.5 pounds, this aluminum-bodied unit replaces heavy cast-iron cylinders while utilizing reliable, standard O.E.M. internal components for consistent pressure and feel.

Equipped with a large-capacity plastic reservoir and dual outlet bores, this master cylinder is designed for split braking systems. It retains the standard factory Chrysler mounting pattern but can be adapted to aftermarket racing pedal assemblies using an optional mounting bracket. This kit comes complete with the necessary push rod and dust boot for a straightforward installation.

• Manufacturer Part Number: 260-4894
• Bore Size: 1-1/16 inch
• Material: Durable lightweight aluminum body
• Reservoir: High-capacity plastic
• Weight: 2.5 lbs
• Configuration: Dual outlet bores
• Included Hardware: Push rod and dust boot

The Wilwood Chrysler Style Master Cylinder (MPN 260-4893) is a lightweight, reliable braking solution engineered for drag racing, late model stock cars, street rods, and off-road applications. This master cylinder features a 1-1/16-inch bore and a durable aluminum body, weighing only 2.5 pounds to reduce front-end weight without sacrificing performance.

Equipped with a large capacity dual-outlet plastic reservoir, this unit utilizes standard O.E.M. internal components for consistent pressure and fluid displacement. The master cylinder is designed with standard factory mounting bolt holes and can be adapted to various racing pedal assemblies when paired with an optional mounting adapter bracket, push rod, and dust boot.

• Part Number: 260-4893
• Bore Size: 1-1/16 in
• Material: Lightweight aluminum body
• Reservoir Type: High-capacity dual-outlet plastic
• Weight: 2.5 lbs
• Compatibility: Drag Racing, Late Model Stock Car, Street Rod, and Off-Road

The Wilwood 5/8-inch bore Left Hand Handlebar Master Cylinder (MPN 260-4201) provides a compact and lightweight hydraulic solution for recreational, sport, and outdoor equipment. Engineered for durability in demanding environments, this master cylinder is constructed from materials and finishes specifically selected to resist corrosion.

This unit mounts to standard 7/8-inch diameter handlebars and features an impact-resistant long lever assembly integrated with a three-position hydraulic parking brake lock. The housing is machined to accept a 1/4-32 threaded brake light switch, and the large-capacity translucent reservoir allows for immediate fluid level monitoring. The fluid inlet is compatible with M10 x 1 thread banjo-type fittings for a secure hydraulic connection.

• Bore Size: 5/8-inch
• Orientation: Left Hand (L/H)
• Lever Style: Long Lever
• Mounting: Fits standard 7/8-inch handlebars
• Parking Brake: Integrated 3-position hydraulic lock
• Switch Port: 1/4-32 thread for brake light switch
• Inlet Size: M10 x 1 Banjo type
• Manufacturer Part Number: 260-4201

The Wilwood Aluminum Master Cylinder (MPN 260-2636) is a lightweight, compact solution engineered for high-reliability performance in clutch systems and small-displacement master cylinder applications. Its design is favored by builders and racers for its proven dependability and space-saving footprint.

Constructed from durable aluminum, this master cylinder features an integral 1.4-ounce reservoir. The assembly includes an improved screw-on plastic filler cap designed to provide a secure seal, protecting the hydraulic fluid from contamination. This unit is specifically sized with a 5/8-inch bore to deliver the precise hydraulic volume and pressure required for sensitive mechanical configurations.

• Bore Size: 5/8in
• Construction: Lightweight Aluminum
• Reservoir Capacity: 1.4 oz
• Cap Style: Screw-on plastic filler cap
• Part Number: 260-2636
• Applications: Clutch systems and small master cylinder requirements

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 Compact Tandem Master Cylinder (MPN 260-15541-BK) is engineered for high-performance braking applications where space is limited. Featuring a 1.12-inch bore, this master cylinder provides the hydraulic volume necessary for multiple-piston caliper setups while maintaining a compact footprint for tight engine bays. The die-cast aluminum body features an integral reservoir design and a dual-outlet configuration for independent front and rear fluid circuits.

Finished in a durable black coating, this unit includes a pushrod for straightforward installation. It is a reliable solution for builders looking to optimize brake pedal feel and system safety without the bulk of a full-size master cylinder.

• Bore Size: 1.12 in (28.45 mm)
• Design: Compact Tandem with integral reservoir
• Construction: Die-cast aluminum
• Outlet Type: Dual outlet for split braking systems
• Finish: Black
• Included Hardware: Installation pushrod
• Manufacturer Part Number: 260-15541-BK

The Wilwood Compact Tandem Integral Master Cylinder (260-15540-BK) provides a space-saving solution for high-performance braking systems. Engineered with a 1.00-inch bore, this master cylinder offers reliable hydraulic pressure for a variety of performance and custom applications. The die-cast aluminum body features a durable black finish for superior corrosion resistance and a clean aesthetic under the hood.

This compact unit includes an integral reservoir and a pushrod, making it ideal for installations with limited space. The dual-outlet design ensures independent front and rear brake circuit operation, providing a necessary safety margin for street or track use.

• Manufacturer Part Number: 260-15540-BK
• Bore Size: 1.00 in
• Configuration: Compact Tandem with Integral Reservoir
• Body Material: Die-Cast Aluminum
• Finish: Black
• Outlet Type: Dual Outlet
• Included Hardware: Pushrod