When building or restoring a classic car, performance upgrades usually start with power and handling—but braking should never be an afterthought. Enter the CPP E-Booster, a next-gen braking solution that’s rewriting the rules for muscle cars. Designed for 1964–72 GMC A-Body, 1967–69 F-Body, and 1968–74 X-Body vehicles, this vacuum-free, electric brake booster kit blends OEM-quality tech with aftermarket versatility.
Part #
Product Takes 7 Days to Ship6874BB24-9
$369.00
1964-72 A-Body 1967-69 F-Body 1968-74 X-Body, 9 in Yellow Zinc Single Diaphragm Firewall Brake Booster & 1.125 in Bore Master Cylinder and Proportioning Valve, works for 2 and 4 Wheel Disc
The CPP Complete Power Brake Booster Kit (Part Number 6874BB24-9) includes a 9" single gold plated booster with master cylinder and proportioning valve combo. Compatible with 64-72 A-Body, 67-69 F-Body, and 68-74 X-Body. Suitable for 2 and 4 wheel disc systems.
| Product Name | 9 in Single Gold Firewall Booster & Master Cylinder, 1964-74 AFX | SKU | 6874BB24-9 |
| Brake Booster Diameter | 9 | Brake Booster Finish | Gold |
| Brake Booster Type | Single Diaphragm | Master Cylinder Bore Size | 1.125 |
| Master Cylinder Finish | None | Master Cylinder Material | Cast Iron |
| Master Cylinder Type | CPP Left Side Ports | Hardware Included | Yes |
| Works With 2 Wheel Disc | Yes | Works With 4 Wheel Disc | Yes |
| Works With 4 Wheel Drum | No | Proportioning Valve Type | Side Mount Left Hand |
| Proportioning Valve Included | Yes | Brake Booster Kit Type | Complete Booster Kits |
| Master Cylinder Included | Yes | Brake Pedal Extension Rod Included | Yes |
| Warranty | Yes | Prop65 | Yes |
| Brand | CPP |
Write Your Own Review
Customer Questions
This kit includes:
-
Fixed
-
P/N: H-BBK
- Description: Basic Booster Install Kit
- Quantity: 1
-
P/N: 9SRB-O
- Description: Power Brake Booster 64-72 A-Body, 67-69 F-Body, 68-74 X-Body, 9in Gold Plated
- Quantity: 1
-
P/N: M-C118-LLF
- Description: Cast Iron Power Master Cylinder for1 1/8in Master with 1/2 x 20 and 9/16 x 18 Ports
- Quantity: 1
-
P/N: PVKS-B1
- Description: Proportioning Valve W/Bracket & Lines Brass, Driver's Side, Firewall Mount, 1/2x20 & 9/16x18 Ports
- Quantity: 1
-
P/N: TECH
- Description: Brake Trouble Shooting Guide
- Quantity: 1
We found other products you might like!
Disc Brake Kit w/ Booster w/ OEM Stock Disc Spindles for 67-69 F Body Drilled/Slotted
1967-1969 F Body, 1968-1974 X Body, 11" Rotor, Drilled & Slotted, Stainless Hoses
Product Takes 7 Days to Ship
Part # 6874CBK-SUG
From $393.00
To $1,208.00
Disc Brake Kit w/ Booster w/ OEM Stock Disc Spindles for 67-69 F Body Drilled/Slotted, Red Caliper
1967-1969 F Body, 1968-1974 X Body, 11" Rotor, Drilled & Slotted, Stainless Hoses, Red Caliper
Product Takes 7 Days to Ship
Part # 6874CBK-SUG-R
From $393.00
To $1,263.00
Disc Brake Kit w/ Booster w/ OEM Stock Disc Spindles for 67-69 F Body
1967-1969 F Body, 1968-1974 X Body, 11" Rotor
Product Takes 7 Days to Ship
Part # 6874CBK-S
From $393.00
To $743.00


