Vintage Mustang: Cobra Rear Disc Brake Kit
The Vintage Venom Cobra Rear Disc Brake conversion kit enables you to use Cobra Mustang rear brake components and standard offset wheels as small as 15". In other words, you can use "traditional" offset wheels, i.e. late model 30mm offsets are NOT required.
This kit would be used for those applications where 15" wheels are desired while utilizing the big 11.65" diameter Cobra brakes.
Application: 1964 - 1973 Mustang / Cougar
Drum brake cars with 8" or 9" small bearing rear axles
COBRA REAR DISC BRAKE CONVERSION:
The Vintage Venom Cobra Rear Disc Brake conversion kit offers a comprehensive solution to upgrading your vintage setup to late model performance and looks. This meticulously engineered kit utilizes the highest quality materials & hardware available.
Kit #: VR11.6BKIT
$189.00
$20.00 S&H (US)
($40 S&H to Canada)
$209.00 Total

Add Rear Hoses, Banjo Bolts and Crush Washers to your kit!
(Complete VR11.6BKIT plus hoses, banjos and crush washers)
Kit #: VR11.6BKIT-HOS
$239.00
$20.00 S&H (US)
($40 S&H to Canada)
$259.00 Total
These high quality, professionally engineered Disc Conversion kits are by far the most cost-effective way to put late model big brakes on your vintage Mustang or Cougar. Components are manufactured to OEM or higher specifications.
Enables using the REAR brakes from 1994-2004 Mustang Cobra, Bullitt and Mach I:
- Rear Rotor: 296mm (11.65") dia 1994 - 2004 Cobra, Bullitt, Mach I
- Rear Caliper: 1994 - 2004 Cobra, Bullitt, Mach I
- Wheels: Does not change offset requirements and fits most* 15" and larger.
What's Included
Vintage Venom's adapter brackets
(6061-T6 Billet Aircraft Aluminum)
These specifically engineered beefy brackets are machined from 1.25" thick billet aircraft aluminum and enable you to use late model calipers on your original drum brake axle.
Mounting Hardware
(Zinc plated Grade 8 and 10.9)- Anchor bracket fastening bolts (grade 8)
- Anchor bracket fastening nuts (prevailing torque, grade 8)
- Caliper mounting bolts (grade 10.9)
- Washers (both grade 8 and 10.9)
- Rotor piloting rings
Detailed tech support web site
Site includes extensive step by step coverage of all aspects of assembly, including plenty of high resolution color photos covering every detail of the conversion.Complete parts list for all other needed components is included
Application Specifics
This kit is designed for the small axle bearing tube:
That's right... There is now a small bearing COBRA brake kit available. It is no longer necessary to cut up your axle and weld on big tube ends in order to have big rear disc brakes.
How do you determine if you have a small bearing axle?
- The bearing "OD" dimension
- Small bearing outside dimension 2.835 in. +/-
- Large bearing outside dimension 3.15 in. +/-
- Flange bolt hole dimensions
- Small tube flange mounting holes: Vertical dimension 2.00 in. on centers, Horizontal dimension 3.33 in. on centers
- Large tube flange mounting holes: Vertical dimension 2.00 in. on centers, Horizontal dimension 3.55 in. on centers

* Will not clear factory vintage OE 15" wheels without spacers being used (~1/2")
Completed installation cost depends on what you utilize. Used Cobra components can often be purchased for as little as $50 on eBay. New Cobra rear brake packages run ~$320. This means that you can assemble a complete 11.65in. COBRA rear brake conversion package for under $300.00.
Please confirm your application prior to ordering. If your application details are unclear to you, please call us for clarification (248) 341-3374. If we are on another line or are making too much noise in the shop and can't hear the phone, please leave a message (We "will" call back).
Note: There is a 10% restocking fee for any returned merchandise. No returns accepted outside of the continetal US. Contact for details and requirements.
Completed installation cost depends on what you utilize. Used Cobra components can often be purchased for as little as $50 on eBay. New Cobra rear brake packages run ~$320. This means that you can assemble a complete 11.65in. COBRA rear brake conversion package for under $300.00.
Please confirm your application prior to ordering. If your application details are unclear to you, please call us for clarification (248) 341-3374. If we are on another line or are making too much noise in the shop and can't hear the phone, please leave a message (We "will" call back).
Note: There is a 10% restocking fee for any returned merchandise. No returns accepted outside of the continetal US. Contact for details and requirements.
