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9 in Single Gold Firewall Booster & Master Cylinder, 1955-57 Chevy Full Size

CPP high-performance automotive parts for classic cars
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Part #
5557BB9-MC
Product Takes 7 Days to Ship
$350.00
1955-57 Chevy Full Size, 9 in Yellow Zinc Single Diaphragm Firewall Brake Booster & 1 in Bore Cast Iron Master Cylinder
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Prop 65 warning
The CPP Power Brake Booster & Master Cylinder Kit (Part Number 5557BB9-MC) fits 55-57 Chevy Full Size. Features a 9" gold plated booster. Ensures reliable braking performance. Enhances safety and control. Easy installation. Durable construction.
More Information
Product Name 9 in Single Gold Firewall Booster & Master Cylinder, 1955-57 Chevy Full Size SKU 5557BB9-MC
Bleeder Kit Included Yes Brake Booster Diameter 9
Brake Booster Finish Gold Brake Booster Type Single Diaphragm
Master Cylinder Bore Size 1 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 Yes
Proportioning Valve Included No Brake Booster Kit Type Booster Master Kit
Master Cylinder Included Yes Brake Pedal Extension Rod 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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5557FLK-OM instructions
CPBK Bleeder Kit Instructions
Master Cylinder Instructions
PVK instructions

This kit includes:

  1. Fixed

  2. P/N: 5564BB

    • Description: Power Brake Booster Brackets Yellow Zinc (Pr)
    • Quantity: 1

  3. P/N: 9SRB-FMB

    • Description: Power Brake Booster Universal for use W/ CPP Early Truck Firewall Mounted Kits, 9in Gold Plated Single
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  4. P/N: H-BBK

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  5. P/N: C4-7C15

    • Description: 3/8in-16 X 1-1/2in Nc Hex Cap G8
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  6. P/N: C2-7S

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  7. P/N: 98025A031

    • Description: 3/8in Extra Thick Flat Washer
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  8. P/N: 97135A230

    • Description: 3/8in-16 Nylon Insert Hex Lock Nut G8 (Ea)
    • Quantity: 1

  9. P/N: 4754BPR

    • Description: 5.63in Threaded Push Rod Female 3/8-24x2.0in Thread Female 3/8-24x2.0in Thread
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  10. P/N: 6072K23

    • Description: Pedal Push Rod Male 3/8-24x1.25in Thread
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  11. 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

  12. P/N: 64014

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  13. P/N: SP4

    • Description: Steel Brake Line Tube Nuts with 1/2 x 20 Threads 3/16th Tube Size uses 7/16 wrench
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  14. P/N: SP7

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