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![Power Brake Conversion Kit for 1964-1966 Ford Mustang [Manual Transmission]](https://www.jegs.com/images/mini_750/500/555/555-631242.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-631242
Power Brake Conversion Kit for 1964-1966 Ford Mustang [Manual Transmission]
$34399$362.99You Save$19.00
Ships on 09/16/2026
Lowest Price GuaranteeFord Car, Disc Front & Drum or Disc Rear
Power Brake Conversion Kit1964-1966 Ford Mustang Manual Transmission Overall Length: 14 in. Includes:
- 7 in. Black Power Brake Booster
- 1 in. Bore Master Cylinder
- Pedal Linkage & Bracket
JEGS 631242 is designed to upgrade your classic 1964-1966 Ford Mustang or Mercury Cougar from manual to power brakes. This conversion kit will work with Disc/Drum or Drum/Drum applications.
JEGS 555-631242 Power Brake Conversion Kit Notes:
- Pedal rod extension & clevis included
- Requires dual bowl conversion lines if upgrading from a single bowl master cylinder
- Shock tower brace may need to be notched to gain the necessary clearance on early Mustangs
Improve Your Stopping Distance with a Power Brake Conversion Kit
JEGS power brake conversion kits provide better stopping distance to increase vehicle safety by transforming your manual brakes into an improved power-assisted system. All power brake conversion kits include a master cylinder, power brake booster, mounting brackets, and other necessary components for easy installation. We offer several style options to meet your brake improvement needs.
Part TypeBrake Master Cylinder and Booster Assembly
Product LineJEGS Power Brake Booster Conversion Kits
BrandJEGS
Package Height10.9
Package Width12.6
Package Length15.2
Weight15.2 PG
Part CategoryReplacement Parts
Rear Brake TypeDisc or Drum
Brake Booster MaterialCast Iron
Brake Booster TypeSingle Vacuum diaphragm
Master Cylinder MaterialCast iron
Mounting Hardware IncludedYes
Reservoir MaterialCast iron
Master Cylinder IncludedYes
Part FitmentSemi Universal
Reservoir IncludedYes
Brake Booster Diameter7 in (177.8 mm)
Vendor Part NumberFD-260
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
