JEGS 555-631430 Power Brake Booster Conversion Kit Features:
Fits 1964-1974 GM A-Body, F-Body, and X-Body vehicles
Disc/drum brake compatible
Bolt-on power brake conversion — no cutting or welding required
Includes: booster, master cylinder, and all necessary hardware
Improves braking force and pedal feel significantly over manual brakes
Power Brake Booster Conversion Kit for 1964-1974 GM A/F/X-Body [Disc/Drum]
JEGS 555-631430 Power Brake Booster Conversion Kit Features: Fits 1964-1974 GM A-Body, F-Body, and X-Body vehicles Disc/drum brake compatible Bolt-on power brake conversion — no cutting or welding required Includes: booster, master cylinder, and all necessary hardware Improves…
| Weight | 25.31 lbs |
|---|---|
| Dimensions | 13.9 × 15.7 × 16 in |

![555-631430 Power Brake Booster Conversion Kit for 1964-1974 GM A/F/X-Body [Disc/Drum]](https://maximumperformance.us/wp-content/uploads/2026/03/555-631430-600x548.jpg)


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