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Black Tandem Master Cylinder & Fixed Proportioning Valve Disc Drum

260-8555-BK-MBM PV2BK-260
Free Shipping. Faster Options Available At Checkout.


Product Description


Wilwood Style Tandem Master Cylinder & Fixed Proportioning Valve Disc Drum


Item Description



Black Tandem Oval Master Cylinder, compare to Wilwood 260-8555-BK. Works for both manual or power brakes and comes with a matching aluminum disc drum proportioning valve kit.
Truly a non-corrosive universal master cylinder corvette style for your street rod. This application is for Disc Drum applications. If you need Disc/ Disc or are unsure of your setup and need help please message us. - See more at:

Truly a non-corrosive universal master cylinder corvette style for your street rod. This application is for Disc Drum applications. If you need Disc/ Disc or are unsure of your setup and need help please message us. - See more at:
Truly a non-corrosive universal master cylinder corvette style for your street rod. This application is for Disc Drum applications. If you need Disc/ Disc or are unsure of your setup and need help please message us. - See more at:


  •      Light Weight
  •      Oval Shape Master Cylinder (Compare To Wilwood 260-8555 BK)
  •      Flat Top Lid
  •      Stainless Steel Hex Bolts For Lid
  •     Left Mount Powder Coated Proportioning Valve Bracket
  •     Aluminum Disc Disc Proportioning Valve 
  •     Firewall or Booster Bolt Pattern 3"-3/8 Center To Center
  •     Manual or Power Brakes ( Adapter Included )
  •     Rubber Manual Rod Boot
  •     Brake Light Warning Switch 
  •     Stainless Steel Valve Brake Lines

    If you like Wilwood Master Cylinders Like 261-13626-BK or 260-8555-BK
    Your sure to like the kit above. Great look without the high price tag. Light weight for power or manual brakes. 




About Us

Pirate Jack Hot Rod Restoration is your one-stop-shop for quality disc brake conversions, brake boosters, master cylinders, and proportioning valves. We specialize in performance brakes for late fullsize GM cars from 1955-70 and muscle cars from 1962-74, Mopar, Chevy, & Ford. Pirate Jack also carries a full line of parts for Street Rods & Custom Built cars, including pedal assemblies, and hard to find power boosters, GM Restoration Parts, disc brake kits, and suspension products. Check out our tech page for information like how to test a brake booster, how to hook up a proportioning valve, how to plumb my brake lines, how to test my master cylinder and a F.A.Q's on how to calculate pedal ratio. We offer FREE tech support on all our disc brake kits and booster conversion kits to take the guess work out of your job. Pirate Jack offers how to guides and instructional videos on our video page. We strive to give you 100% satisfaction and we sincerely want to help you stop your vehicle and install our kits safely.


Tech Support

We want your restoration to be easy! Before contacting us for technical support please make sure you followed the directions that came with your kit. If you did not receive instructions for your install you can send us an Ebay Message and we are happy to send you a set. We also have some instructional video's and other helpful support you may need. We give limited support on weekends and are available M-F 7:30-4:30 EST.



Pirate Jack ships from Asheville NC, and we ship your disc brake conversion kits, master cylinders, brake boosters and other orders fast!! We are open Monday-Friday 8-4:00 pm EST. We usually ship your order within 2 business days of receiving your order, but it's not uncommon for us to ship the same day. See our map display for estimated shipping times. Most orders will ship UPS, smaller orders will ship via USPS flat rate box. Your order will be professionally and durably packed for its time in transit to you so we can give you the very best. We ship to the address provided by your paypal account, so if you wish for your order to go to an alternate address, please leave us this information in the NOTE section of your paypal payment at check out. We will email you a tracking number the day after your order leaves so you can follow it. In addition, you will receive a packing slip to check over your order. If there is ever any discrepancy, please contact us right away and we will reconcile it with you. We are firmly committed to providing you the best possible shipping cost and getting your order out of our door to yours as fast as we can!



All products are guaranteed for ONE YEAR FROM DATE OF PURCHASE, to be free of defects in materials and workmanship. The warranty does not start at the date of installation but the date of purchase. All product replacements will be sent to you via standard mail.



Cash/Refund-30 Days (Your refund will include a 5% restocking fee if in it?s original packaging. If product is opened or mounted 20% restocking fee will apply. (If your item was shipped to you for FREE, the original shipping cost will be deducted from the refund amount.) Store Credit 30 Days (No restocking fee, less any deductions for damages, or original shipping) Exchange only 30 Days (Customer pays for shipping both ways) ****All items that shipped free will incur a 5% Stocking Fee Automatically. Shipping charges are not part of your refund and Pirate Jack is not responsible for the cost of shipping the items back and we do not send out call tags unless we have shipped you the wrong product. Credits will not be issued until the items have been shipped back to us in working condition. No returns on special order items like pre-bent line kits. If you no loner want the item you must ship back the item within 30 days and the original shipping will be deducted from your refund. All returns are subject to approval by the RETURNS Department No guarantee of your return is implied. We do not take exchanges or returns on product that has had fluid ran through them. (NO EXCEPTIONS)

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Other Details

Manufacturer Part Number:
Interchange Part Number:
Compare to 260-8555-BK
Placement on Vehicle:
Surface Finish:
Aluminum Chrome
Country/Region of Manufacture:
Country of Manufacture:
Part Brand:
Master Cylinder Bore & Ports:
1" Bore w/ 3/8-24 Ports on Left
Master Cylinder Finish:
Natural Aluminum Powder Coated Black w/ Flat Lid
Proportioning Valve:
Disc Disc Aluminum Universal
Proportioning Valve Bracket:
Left Mount Black Powder Coated
Proportioning Valve Lines:
Left Mount Stainless Steel 3/8 Fittings to MC
Universal for Disc Disc Brakes Manual or Power
OE Spec or Performance/Custom:
1 Year

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