Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![Front Disc Brake Conversion Kit for GM A, F & X Body [Basic Kit without Rotors]](https://www.jegs.com/images/mini_750/500/555/555-630678.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-630678
Front Disc Brake Conversion Kit for GM A, F & X Body [Basic Kit without Rotors]
$62199$674.99You Save$53.00
Ships on 09/14/2026
Lowest Price GuaranteeFront Basic Disc Brake Conversion Kit
GM
GM
Front Disc Brake Conversion Kit1964-1972 GM A-Body 1967-1969 GM F-Body 1968-1974 GM X-Body Includes:
- Red Powder Coated Calipers w/ Pins
- D52 Pads
- Backing Plates
- Stock Height Spindles
- Caliper Brackets
- Hardware
Kit Includes:
- (1) Left/Driver Side Red Powder Coated Front Caliper w/ Pins & D52 Disc Brake Pads 555-630006
- (1) Right/Passenger Side Red Powder Coated Front Caliper w/ Pins & D52 Disc Brake Pads 555-630005
- (1) Left/Driver Side Backing Plate
- (1) Right/Passenger Side Backing Plate
- (1) Left/Driver Side Stock Height Spindle
- (1) Right/Passenger Side Stock Height Spindle
- (1) Left/Driver Side Caliper Bracket
- (1) Right/Passenger Side Caliper Bracket
- (1) Installation Hardware pkg
Special Note :
This is a base kit and rotors are not included. We recommend standard Rotor 555-630520 or Drilled & Slotted Rotors 555-630500 & 555-630501
Update Your Ride with Modern Braking
JEGS drum-to-disc brake conversion kits let you bring the braking of a modern car in a classic package. Available as a manual operation or power assist, we have a kit for every need. We also offer a premium option to both kits with drilled and slotted rotors combined with braided brake lines. All JEGS brake kits require 15 in. (minimum) diameter wheels.
JEGS also offers Brake Conversion Kit Replacement Parts for our brake kits.
Part TypeBrake Conversion Kit
Product LineJEGS GM Front Disc Brake Conversion Kits
BrandJEGS
Package Height15.0
Package Width16.0
Package Length16.0
Weight50.4 PG
Part CategoryPerformance Parts
PositionFront
Seals IncludedNo
Minimum Recommended Wheel Diameter15 in (381 mm)
Bearings IncludedNo
Brake Hoses IncludedNo
Disc Brake Caliper (Front) Piston QuantityOne
Mounting Brackets IncludedYes
Front Spindles IncludedYes
Front Caliper FinishRed powdercoated
Wheel Bolt Pattern5 x 4 3/4 (120.65 mm)
Dust Shield IncludedYes
Part FitmentSemi Universal
Front Rotor IncludedNo
Vendor Part NumberBBK6472/4039PCR&4040PCR
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Outer Wheel Bearing Set [A2]](https://www.jegs.com/images/mini_200/500/555/555-630560.jpg)
![Adjustable Brake Proportioning Valve and Distribution Block w/Rotary Adjustment Valve [Black, Billet Aluminum]](https://www.jegs.com/images/mini_200/500/555/555-63025.jpg)
JEGS
Adjustable Brake Proportioning Valve and Distribution Block w/Rotary Adjustment Valve [Black, Billet Aluminum]
Part Number : 555-63025
$12499$134.99
You Save$10.00
JEGS
Replacement Disc Brake Rotor for 555-630012 & 555-630014 Disc Brake Conversion Kits
Part Number : 555-630520
$8799$96.99
You Save$9.00
![High-Performance Front Cross-Drilled and Slotted Brake Rotor Fits Select 1967-1974 GM Car Models [Right/Passenger Side]](https://www.jegs.com/images/mini_200/500/555/555-630501.jpg)
JEGS
High-Performance Front Cross-Drilled and Slotted Brake Rotor Fits Select 1967-1974 GM Car Models [Right/Passenger Side]
Part Number : 555-630501
$8399$92.99
You Save$9.00
![High-Performance Front Cross-Drilled and Slotted Brake Rotor Fits Select 1967-1974 GM Car Models [Left/Driver Side]](https://www.jegs.com/images/mini_200/500/555/555-630500.jpg)
JEGS
High-Performance Front Cross-Drilled and Slotted Brake Rotor Fits Select 1967-1974 GM Car Models [Left/Driver Side]
Part Number : 555-630500
$7599$89.99
You Save$14.00
![Front Disc Brake Caliper Hose Kit, 18 in. Rubber [Set of 2]](https://www.jegs.com/images/mini_200/500/555/555-630460.jpg)
JEGS
Front Disc Brake Caliper Hose Kit, 18 in. Rubber [Set of 2]
Part Number : 555-630460
$2799$30.19
You Save$2.20
JEGS
Brake Spring Plier Installer Remove & Install Shoe Return Springs on Most Drum Brakes
Part Number : 555-W175
$899$9.99
You Save$1.00
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
JEGS
Part Number : 555-63025
$12499$134.99
You Save$10.00
JEGS
Part Number : 555-630520
$8799$96.99
You Save$9.00
ITEM YOU MAY ALSO CONSIDER
![Front Disc Brake Conversion Kit for 1964-1974 GM A,F & X Body [Standard Kit w/Raw Calipers]](https://www.jegs.com/images/mini_200/500/555/555-630000.jpg)
JEGS
Front Disc Brake Conversion Kit for 1964-1974 GM A,F & X Body [Standard Kit w/Raw Calipers]
Part Number : 555-630000
$63298
JEGS
Part Number : 555-630000
$63298
REPLACEMENT PARTS
![Large GM Front Disc Brake Caliper with D52 Pads, Right/Passenger Side, Red Powder Coat [NEW]](https://www.jegs.com/images/mini_200/500/555/555-630005.jpg)
JEGS
Large GM Front Disc Brake Caliper with D52 Pads, Right/Passenger Side, Red Powder Coat [NEW]
Part Number : 555-630005
$13299$172.99
You Save$40.00
![Large GM Front Disc Brake Caliper with D52 Pads, Left/Driver Side, Red Powder Coat [NEW]](https://www.jegs.com/images/mini_200/500/555/555-630006.jpg)
JEGS
Large GM Front Disc Brake Caliper with D52 Pads, Left/Driver Side, Red Powder Coat [NEW]
Part Number : 555-630006
$11999$156.99
You Save$37.00
JEGS
Part Number : 555-630005
$13299$172.99
You Save$40.00
JEGS
Part Number : 555-630006
$11999$156.99
You Save$37.00
Some parts are not legal for use in California or other states with similar laws / regulations
