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Complete Power Brake Booster Kit for 64-72 A-Body, 67-69 F-Body, 68-74 X-Body, 8" Dual Chrome, Flat Top

CPP high-performance automotive parts for classic cars
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Part #
6474BB24-8DC-LAC
Product Takes 7 Days to Ship
$469.00
64-72 A-Body, 67-69 F-Body, 68-74 X-Body, 8" Dual Chrome Plated Booster W/Flat Top Master Cylinder & Proportioning Valve Combo, works for 2 & 4 Wheel Disc
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Prop 65 warning
The CPP Complete Power Brake Booster Kit (Part Number 6474BB24-8DC-LAC) features an 8" dual chrome-plated booster. Includes a flat top master cylinder and proportioning valve combo. Compatible with 64-72 A-Body, 67-69 F-Body, 68-74 X-Body. Suitable for 2 and 4 wheel disc systems.
More Information
Product Name Complete Power Brake Booster Kit for 64-72 A-Body, 67-69 F-Body, 68-74 X-Body, 8" Dual Chrome, Flat Top SKU 6474BB24-8DC-LAC
Brake Booster Diameter 8 Brake Booster Finish Chrome
Brake Booster Type Dual Diaphragm Master Cylinder Bore Size 1.125
Master Cylinder Finish Chrome Master Cylinder Material Aluminum
Master Cylinder Type Chrome Flat Top Proportioning Valve Type Side Mount Left Hand
Proportioning Valve Included Yes Brake Pedal Extension Rod Included Yes
Warranty Yes Prop65 Yes
Brand CPP
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CPP Power Brake Kit Install Yields Plenty of Whoa Power

Many classic vehicles, including Tri-Five Chevys and pre-1967 cars and trucks, came equipped with single-reservoir master cylinders. While these served well for decades, a failure in any brake hose, wheel cylinder, or line could evacuate the entire system, compromising safety. Upgrading to a dual-reservoir, power-brake setup not only adds redundancy but also reduces pedal effort—an especially welcome change for weekend cruisers and street rods alike.

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CPBK Bleeder Kit Instructions
Master Cylinder Instructions
PVK instructions

This kit includes:

  1. Fixed

  2. P/N: 6474BB-C

    • Description: Chrome Brake Booster Brackets
    • Quantity: 1

  3. P/N: 6474BPR

    • Description: 4.875in Threaded Push Rod Male 3/8-24x3.0in Thread Female 3/8-24x1.25in Thread
    • Quantity: 1

  4. P/N: 8DSRB-C

    • Description: Universal Chrome Plated Power Brake Booster, 8in Dual
    • Quantity: 1

  5. P/N: M-C118LAC

    • Description: Chrome Aluminum Power Master Cylinder W/Flat Top Lid
    • Quantity: 1

  6. P/N: PVKS-C1

    • Description: Proportioning Valve W/Bracket & Lines Chrome Driver's Side, Firewall Mount,, 1/2x20 & 9/16x18 Ports
    • Quantity: 1

  7. P/N: 64012

    • Description: After Market Vacuum Booster Dust Cover
    • Quantity: 1

  8. P/N: H-BBK

    • Description: Basic Booster Install Kit
    • Quantity: 1

  9. P/N: TECH

    • Description: Brake Trouble Shooting Guide
    • Quantity: 1
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