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Street Beast Complete HydraStop Kit, 90 Degree Clocked for 1955-64 Chevy Full Size

High-performance CPP HydraStop braking system
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Part #
5564HBK-SB90-S
Product Takes 7 Days to Ship
$1,049.00
1955-64 Chevy Full Size Street Beast HydraStop complete hydraulic assist brake kit, 90 degree clocked, with side mounted GM style proportioning valve
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The CPP Street Beast HydraStop Kit for 1955-64 Chevy Full Size applications features a 90 degree clocked hydraulic unit and a side mounted GM style proportioning valve for improved clearance and simplified brake plumbing. This configuration is ideal for big block, LS, and column shift combinations where steering columns, valve covers, and brake lines compete for firewall space. The rotated port orientation improves hose routing while the side mounted valve keeps plumbing clean and compact. HydraStop replaces traditional vacuum assist and operates from steering system pressure to deliver up to 1800 psi at the wheels for strong and consistent braking performance. This complete Street Beast kit includes a black direct mount aluminum bracket, rubber high pressure hoses with return lines, AN6 fittings installed, 1 1/8 inch bore master cylinder, side mounted GM style proportioning valve, mounting hardware, and black accumulator cover. Engineered specifically for clearance sensitive 1955-64 Chevy Full Size builds seeking modern braking control. All HydraStop assemblies are brand new and backed by a limited lifetime warranty when installed with proper hydraulic filtration.
More Information
Product Name Street Beast Complete HydraStop Kit, 90 Degree Clocked for 1955-64 Chevy Full Size SKU 5564HBK-SB90-S
Brake Booster Finish Black Master Cylinder Bore Size 1.125
Master Cylinder Finish Black Master Cylinder Material Aluminum
Master Cylinder Type Aluminum W/ Black lid, CPP Left Side Ports Hardware Included Yes
Master Cylinder Lid Style Black Corvette Style Proportioning Valve Type Side Mount Left Hand
Bracket And Lines Included Yes Proportioning Valve Included Yes
Brake Light Switch Included No Brake Booster Kit Type Complete Booster Kits
Master Cylinder Included Yes Accumalator Cover Included Yes
Brake Pedal Extension Rod Included Yes Hydraulic Hose Kit Included Yes
Bracket Finish Black Bracket Material Aluminum
Warranty Yes Brand CPP HydraStop
Mounting Location Firewall Mount
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HAHK-S _HAHK-R Instructions_6.18
HydraStop Instruction Sheet_1.13

This kit includes:

  1. Fixed

  2. P/N: I-HYDRA-BB

    • Description: HYDRA-BB Instructions
    • Quantity: 1

  3. P/N: PVKS-BL0

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

  4. P/N: HAHK-R

    • Description: HydraStop Rubber Hydraulic Hose Kit
    • Quantity: 1

  5. P/N: BP5100

    • Description: Black HydraStop Accumulator Cover
    • Quantity: 1

  6. P/N: CPP-UHBA2

    • Description: Hydraulic Brake Assist Kit
    • Quantity: 1

  7. P/N: 130278-B

    • Description: 55-64 Fullsize Hydraulic Assist Brackets
    • Quantity: 1

  8. P/N: H-5564HB-L90

    • Description: Hardware Kit For 5564Hb-L90 Only
    • Quantity: 1

  9. P/N: M-C118-APBLF

    • Description: 1 1/8in Bore Left Side Port Aluminum Power Master Cylinder W/Black Lid
    • Quantity: 1

  10. P/N: TECH

    • Description: Brake Trouble Shooting Guide
    • Quantity: 1
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