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8 in Single Gold Firewall Booster & Aluminum Master Cylinder, 1967-70 Mustang

CPP high-performance automotive parts for classic cars
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Part #
6770BBA-8
Product Takes 7 Days to Ship
$350.00
1967-70 Mustang, 8 in Yellow Zinc Single Diaphragm Firewall Brake Booster & 1 in Bore Aluminum Master Cylinder, does not work with Z-Bar, works with Power or Manual Brake Pedals
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Prop 65 warning
Designed for 1967–70 Mustangs without a Z-bar, this bolt-on kit includes an 8" dual-diaphragm gold zinc power booster and a cast aluminum master cylinder. Compatible with both manual and power brake pedals, it connects directly to the factory distribution block. Supports 2-wheel and 4-wheel disc brake systems. CPP’s adjustable proportioning valve (APV) is recommended for disc brake conversions to maintain proper brake bias.
More Information
Product Name 8 in Single Gold Firewall Booster & Aluminum Master Cylinder, 1967-70 Mustang SKU 6770BBA-8
Brake Booster Diameter 8 Brake Booster Finish Gold
Brake Booster Type Single Diaphragm Master Cylinder Bore Size 1
Master Cylinder Finish None Master Cylinder Material Aluminum
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 Included Yes
Brake Booster Kit Type Complete Booster Kits Master Cylinder Included Yes
Prop65 Yes Brand CPP
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Using the Right Master Cylinder

The master cylinder reservoir should always hold enough fluid to allow the brake pads to completely wear away without the risk of running out of fluid. As a disc brake pad wears, the caliper piston will extend out of its bore. As the caliper piston extends, the master cylinder fluid level will drop in order to fill the caliper bore with brake fluid. If the reservoir is too small, there is a possibility that the master cylinder can run out of fluid and the brakes will fail.

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CPBK Bleeder Kit Instructions
Master Cylinder Instructions
PVK instructions

This kit includes:

  1. Fixed

  2. P/N: 8SRB

    • Description: Universal Gold Plated Power Brake Booster, 8in Single
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  3. P/N: M-C100-APLF

    • Description: 1in Bore Left Side Port Aluminum Power Master Cylinder W/Chrome Lid
    • Quantity: 1

  4. P/N: 6770DBCLK-OM

    • Description: Disc Brake Conversion Line Kit for 1967-69 Camaro & 1968-74 Nova with Stock Rear End
    • Quantity: 1

  5. P/N: 31642

    • Description: Pedal Push Rod Lincoln, Female 3/8-24x1.125in Thread, 2.38in Long
    • Quantity: 1

  6. P/N: 10476

    • Description: 67-70 Mustang Booster Adapter (Ea),
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  7. P/N: C2-7C

    • Description: 3/8in-16 Hex Nut G8 (Ea)
    • Quantity: 5

  8. P/N: C2-7L

    • Description: 3/8in Split Lock Washer G8 (Ea)
    • Quantity: 5

  9. P/N: 91253A626

    • Description: 3/8in-16 X 1-1/4in Flat Head Socket Cap Screw Blk Oxide
    • Quantity: 5
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