Bottom Mount Black Oval Tandem 1" Bore Master Cylinder & Disc/Drum Valve Kit | Pirate Jack | MCK260-8555-2B

Black Oval Tandem 1" Bore Master Cylinder & Disc/Drum Proportioning Valve Kit, Bottom Mount (MCK260-8555-2B)

Universal Street Rod & Muscle Car · Black Oval Aluminum Master · 1" Bore · Disc/Drum · Bottom Mount Valve · Manual or Power · Part # MCK260-8555-2B

Get the clean, modern look of an oval tandem master cylinder without the big price tag. This lightweight 1" bore aluminum master is powder coated black with a flat top lid held down by stainless steel hex bolts, and it comes matched with an aluminum disc/drum proportioning valve.

It works with manual or power brakes (power adapter and manual rod boot included) and bolts to the common 3-3/8" center-to-center firewall or booster pattern. The valve mounts under the master on a black powder coated bracket, with stainless steel lines and a brake light warning switch included.

What's Included

• 1" bore oval tandem aluminum master cylinder, black powder coated
• Flat top lid with stainless steel hex bolts
• Power brake adapter (works manual or power)
• Rubber manual rod boot
• Aluminum disc/drum proportioning valve
• Black powder coated bottom mount proportioning valve bracket
• Brake light warning switch
• Stainless steel proportioning valve lines

Specifications

Why Buy This Kit

• ✔ Lightweight aluminum master cylinder that won't rust like cast iron.
• ✔ Modern oval look with a black finish and flat top lid.
• ✔ Manual or power: adapter and rod boot are in the box.
• ✔ Matched disc/drum valve, bracket and pre-bent stainless lines for a bolt-together install.
• ✔ Free tech support before and after you buy.

Fitment

Universal. Fits most cars and trucks with a 3-3/8" center-to-center master cylinder mounting pattern running front disc / rear drum. Don't see your car? Contact us before ordering at 866-601-4455.

Before You Order: Please Read

• Disc/Drum only: this kit is set up for front disc / rear drum brakes.
• Other versions: MCK260-8555-4B (bottom mount disc/disc), MCK260-8555-2L (left mount disc/drum), MCK260-8555-4L (left mount disc/disc).
• Mounting: confirm your firewall or booster studs are 3-3/8" center to center.

Installation Notes

• ⚠️ Bench bleed the master cylinder before installing it.
• Check the pushrod length and pushrod-to-master-cylinder clearance before final assembly.
• 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 MCK260-8555-2B black oval master cylinder kit from Pirate Jack today.