Power Brake Booster Conversion Kit Disc/Drum Automatic Transmission 1967-1970

CJ's Part Number:
BBCK14
Power Brake Booster Conversion Kit Disc/Drum Automatic Transmission 1967-1970 is rated 2.5 out of 5 by 6.
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Highlights

  • Power Booster Conversion
  • 1-1/8" Bore Master Cylinder
  • Disc/Drum Proportioning Valve
  • 9" Power Brake Booster
MSRP $349.99
$244.99
You save 30%

Power Brake Booster Conversion Kit for all 1967, 1968, 1969 and 1970 Mustangs with an Automatic Transmission, Front Disc Brakes and Rear Drum Brakes.

Whether you are restoring the brakes on your 1967-1970 Mustang or upgrading its overall braking capability, make sure to significantly improve its stopping power by adding this Power Brake Booster Conversion Kit. Now available at CJ Pony Parts, this kit will provide you with the safety and braking power that you have been looking for out of your vintage Mustang.

Kit Includes:
- Black 9" Power Brake Booster with Firewall Plate
- 1-1/8" Bore Master Cylinder
- Power Brake Disc/Drum Brake Pedal with Pedal Pad
- Bottom Mount Universal Disc Drum Proportioning Valve Kit
- Pre-Bent, Master Cylinder-to-Proportioning Valve Line
- Built-in Rear Brake Residual Valve
- Zinc Bottom Mount Bracket
- 2227161 Casting Number with Teardrop Markings
- All Necessary Mounting Hardware

This kit will provide you with everything you need to convert your classic Mustang's brakes and improve its overall braking capability. The black 9" power brake booster comes with a firewall plate and will gel perfectly with the 1-1/8" bore master cylinder. The proportioning valve will include 1/2-20" & 3/8-24" ports on the left side for your front & rear brake lines. To help make installation easier, you'll receive a strong zinc-plated bottom mount bracket and all of the necessary hardware you'll need. To cap off this conversion, you'll also receive a new brake pedal and pedal pad for a truly complete conversion.

*This kit will ONLY work on Mustangs that have an automatic transmission, front disc brakes and rear drum brakes.

The brakes in your Mustang are some of the most important parts in the car, yet often the most neglected. Many owners focus only on increasing performance and don't worry about the condition the brakes that are going to stop their car. No matter what year Mustang you have, CJ Pony Parts has the braking components that you need, whether you're upgrading the performance or replacing components that have worn over time.

So go ahead and order this Power Brake Booster Conversion Kit for your 1967, 1968, 1969 or 1970 Mustang with an Automatic Transmission, Front Disc Brakes and Rear Drum Brakes from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty

Moderate
Moderate

Intermediate skill is required for this installation.

Installation Videos

Vehicle Fitment

This product will fit the following Mustang years:

Rated 1 out of 5 by from Not impressed with this kit Will not work on my 1968 mustang auto disk drum 289 coupe. Adjusted one way it gives you a good pedal but front disks bind the other way the brakes free off but pedal is on the floor and no way in between . My Mustang has now been in the garage over 2 months and still no end in sight and no help from Pony Parts My garage is now convinced the booster is not compatible. The 2 studs that hold the master cylinder are certainly too short and the overall length of the pushrods is also too short. Looks like I will need to buy a second booster unit but not sure what to buy We give up
Date published: 2016-11-22
Rated 1 out of 5 by from This is a complete disaster. I bought this a month ago here are the problems with it. The two studs coming out of the power brake is too short. You have to bolt down the master cylinder and the bracket for the combination valve. It doesn't give you enough room to tighten down the bold you have to be careful or you will strip it. NOT GOOD. Then the priviot point on the brake peddle is not jointed together well so it will bend and allow the peddle to move side ways and catch on things and will not return properly. The combination valve is not a great engineering feat either. Be aware this one is a tough one.
Date published: 2016-11-13
Rated 2 out of 5 by from Need more parts to make this kit better Bought this kit Memorial Day weekend. Came in fast. Now getting to install. Things went well to begin with. The boot on the booster is a bit wide for the hole. The pedal arm needs to be shaved at the top as it rubs badly on the pedal support. The short stud on the booster needs to be cut down as it is not long enough to go thru the firewall and put a nut on it. Need conversion fittings for the combo valve rear line to include a 90 degree fitting. Need a proper rear brake light switch in the kit as well. They don't tell you this and I am quite frustrated with trying to make it work. Not as simple as they want you to believe. On my way to NAPA for parts. The combo valve BTW is a GM truck part if a replacement is ever needed. Once it's all put together I hope it works ok. If not I will be quite upset.
Date published: 2016-06-18
Rated 4 out of 5 by from Does the Trick! Super Upgrade! Do not let the other review discourage you from this product. Yes- the brake pedal needs a little fitting on the top edge for clearance. Yes- you will need an adapter for the rear brake line to the proportioning valve. No big deal. All components tuck in place JUST like factory! Perfect match for my Granada front discs. Yep, it is a little tedious, and a bit awkward to install-Not an afternoon job-- but well worth it for safety and performance.
Date published: 2016-07-19
Rated 2 out of 5 by from Brake pedal too long Bought the kit. As you can see from the picture the new one is too long. Customer service just said the new one should work but it doesn’t. So as I stated in the picture I had to use my old/original one.
Date published: 2019-04-22
Rated 5 out of 5 by from Nice Fit but minor Change I just installed my new Booster - Break Pedal However the Plunger Key theat connects your Brake Switch may need to be slightly ground down to 0.356" to accept the break light switch. other than that perfect
Date published: 2016-12-06
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Do I need to order brake lines with the proper bends to work with the new proportioning valve? 

Asked by: Chris
You would have to rebend the existing lines or make new ones.
Answered by: rk cjpp
Date published: 2020-04-21

Installed front disc with calipers and lines including.. I even bench bled master cylinder (MC). Brake booster installed with vaccuum. When pump brake pedal no fluid going to lines from MC. What am I missing? Rod length adjustable? 

Asked by: Preston1234
Check the clearance between the booster push rod and the master cylinder piston.
Answered by: rk cjpp
Date published: 2020-04-02

The lines running from the master cylinder to the combination block are installed correctly . The brake lines leaving the combination block and going to the brakes are run correctly .I believe that the combination block is malfunction .

Asked by: Stumped68
If all the lines are correct than that could be possible.
Answered by: rk cjpp
Date published: 2020-03-25

Why are the front disc brake calipers drawing fluid from the small bowl on the master cylinder reservoir during bleeding when all of the brake lines are installed properly. The rear brakes are also drawing from the small bowl . 1968 mustang. 

Asked by: Stumped68
The brake lines from the master cylinder to the combination block are connected correctly .The lines leaving the block are also correct. I am thinking the the combination block is malfunctioning and only using the small reservoir in the front as if sensing low pressure . 
Answered by: Stumped68
Date published: 2020-03-24

Hello CJ, I've already bought this kit, but I would like to know if I can install this without having installed front disk brakes yet. Will this work if i have to use the car before full front disk installation? Thank you

Asked by: Willyros11
You will have to have front disc brakes for this to work.
Answered by: rk cjpp
Date published: 2020-03-18

Purchased this setup and the part of the pedal that would attach to the rod of the booster is too short and the OEM pedal would have the same issue. Curious if the wrong part came in the kit or if its something on my end.

Asked by: richasal
Please contact the customer service dept. at 1-800-888-6473 and speak with a customer service rep. You will need some pictures of the problem you are having.
Answered by: rk cjpp
Date published: 2019-10-29

I will be purchasing a 1968 mustang with l6 and manual drum brakes. I would like to convert to power front disc and still keep 4 bolt pattern. I dont see one kit for that, but can you combine this power booster kit with the l6 disc kit?

Asked by: rayct63
Yes you can.
Answered by: rk cjpp
Date published: 2018-07-05

Hi, I have this kit on a 69 mustang with disk front and drum rear, what break switch would you install as the origanal no longer fits on the shaft on the new pedal ?

Asked by: Gregclifton
Try this one, https://www.cjponyparts.com/brake-light-switch-power-drum-brakes-1967-1968-power-disc-drum-brakes-1969-1970/p/HW1194/
Answered by: rk cjpp
Date published: 2019-06-30
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