Universal Wilwood Power Brake Booster & Master Cylinder Kit, 9" Dual, Wilwood Master, Disc/Drum | WWR91.25

Universal Wilwood Power Brake Booster & Master Cylinder Kit, 9" Dual, Wilwood Master, Disc/Drum (Part # WWR91.25)

Universal · 9" Dual Diaphragm Power Brake Booster · Wilwood Master Cylinder · Disc/Drum · Part # WWR91.25

Manual brakes take a heavy foot and a lot of distance. This Pirate Jack kit adds real power assist to your street rod or custom build with a 9" dual diaphragm power brake booster and a genuine Wilwood master cylinder.

Everything is matched to work together, with the brackets and linkage to bolt it in. Set up for disc/drum brakes.

What's Included

• Universal 9" Dual Power Brake Booster & Wilwood Master Cylinder Kit
• 9" Dual Power Brake Booster
• Wilwood 1" Bore Master Cylinder
• Adjustable Knob Style Proportioning Valve
• Stainless Steel Lines, Valve to Master
• Clevis & pedal rod kit
• 10 & 2 LB residual Valve

Why Upgrade?

• ✔ Power assist for a lighter, more confident pedal.
• ✔ Wilwood master cylinder for proven performance and a firm pedal.
• ✔ Complete kit with matched parts from one supplier.

Fitment

Don't see your car? Contact us before ordering at 866-601-4455.

Before You Order: Please Read

• Brake system: set up for disc/drum brakes. Call us if your car has a different setup.
• Manual-to-power conversion: your engine needs a manifold vacuum source for the booster.
• Fitment: call us at 866-601-4455 to confirm this kit is right for your vehicle.

Installation Notes

• Bench bleed the master cylinder before installing it.
• Check the pushrod-to-master-cylinder clearance before final assembly.
• Connect the booster to a full manifold vacuum source.
• Bleed the entire brake system, then test the brakes at low speed before normal driving.

Free Tech Support

Have a question before or after your purchase? Call our tech team at 866-601-4455.

• Monday-Friday, 8:00 AM - 4:00 PM EST
• Limited weekend availability

Order the WWR91.25 from Pirate Jack today, and call our tech team with any fitment questions.