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Street Beast HydraStop Assembly Only for 1955-59 Chevy Truck

High-performance CPP HydraStop braking system
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Part #
5559HBK-BSB
Product Takes 7 Days to Ship
$579.00
1955-59 Chevy Truck Street Beast HydraStop booster assembly, firewall mounted with swing pedal, AN6 fittings
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Prop 65 warning
The CPP Street Beast HydraStop Assembly is designed for 1955-59 Chevy Truck platforms and provides a firewall mounted hydraulic assist solution for swing pedal configurations. This assembly replaces the original vacuum booster and allows builders to retain their preferred master cylinder and proportioning valve arrangement. Task Force era trucks often undergo suspension and engine upgrades that require stronger brake assist than vacuum systems can provide. HydraStop operates from steering system pressure and delivers up to 1800 psi at the wheels for dependable stopping performance. The assembly includes the hydraulic assist unit, black direct mount bracket, AN6 fittings installed, and mounting hardware. Engineered specifically for 1955-59 Chevy and GMC truck firewall installations seeking improved pedal consistency. HydraStop assemblies are new production units supported by a limited lifetime warranty when installed with a power steering filter.
More Information
Product Name Street Beast HydraStop Assembly Only for 1955-59 Chevy Truck SKU 5559HBK-BSB
Brake Booster Finish Black Master Cylinder Finish None
Hardware Included Yes Proportioning Valve Included No
Brake Light Switch Included Yes Brake Booster Kit Type Booster Only Kits
Master Cylinder Included No Accumalator Cover Included No
Brake Pedal Extension Rod Included Yes Hydraulic Hose Kit Included No
Bracket Finish Black Bracket Material Aluminum
Warranty Yes Brand CPP HydraStop
Mounting Location Firewall Mount Product Type Hydraulic Brake Assist Kits
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Customer Questions
Does this bracket allow for the use of the factory emergency brake handle?
Hello and thank you for reaching out. Our firewall bracket will allow you to use your factory parking brake lever. 
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Is there a provision to use factory e-brake handle?
Hello Scott and thank you for showing interest in our products. Yes, the part in question does have the provision for the E-Brake. 
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HydraStop Instruction Sheet_1.13
HydraStop Line Drawing

This kit includes:

  1. Fixed

  2. P/N: CPP-BK

    • Description: Bleeder Kit
    • Quantity: 1

  3. P/N: 5559FMB

    • Description: Firewall Brake Pedal
    • Quantity: 1

  4. P/N: UNIHBK4-BSB

    • Description: Street Beast Universal Mount Hydrastop Assembly only for Universal, 3 3/8 Square Bolt Pattern
    • Quantity: 1

  5. P/N: C5-7F12G8

    • Description: 3/8in-24 X 1-1/4in Nf Hex Cap G8 (Ea)
    • Quantity: 4

  6. P/N: C2-7F

    • Description: 3/8in-24 Hex Nut G8 (Ea)
    • Quantity: 4

  7. P/N: C2-7L

    • Description: 3/8in Split Lock Washer G8 (Ea)
    • Quantity: 4

  8. P/N: C2-7S

    • Description: 3/8in Sae Flat Washer G8 (Ea)
    • Quantity: 8

  9. P/N: H-5559FMB

    • Description: 5559 Firewall Booster Bracket Hardware
    • Quantity: 1
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