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Show Stopper Complete HydraStop Kit for 1955-59 Chevy Truck

High-performance CPP HydraStop braking system
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Part #
5559HBK-SS
Product Takes 7 Days to Ship
$1,129.00
1955-59 Chevy Truck Show Stopper HydraStop complete hydraulic assist brake kit, firewall mounted with swing pedal
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Prop 65 warning
The CPP Show Stopper HydraStop Kit is engineered for 1955-59 Chevy Truck applications and delivers a premium hydraulic assist brake system for Task Force era platforms. These trucks are frequently modified with lowered suspension, upgraded engines, and front disc conversions that require stronger brake assist. HydraStop operates from the power steering system and generates up to 1800 psi at the wheels, providing confident and consistent braking performance without reliance on engine vacuum. This Show Stopper configuration includes a billet aluminum firewall mount bracket, stainless high pressure hoses with return lines, AN6 fittings installed, master cylinder, and chrome accumulator cover for a detailed engine bay appearance. Designed for firewall mounted swing pedal setups in 1955-59 Chevy and GMC trucks. All HydraStop units are new production assemblies backed by a limited lifetime warranty when installed with a power steering filter.
More Information
Product Name Show Stopper Complete HydraStop Kit for 1955-59 Chevy Truck SKU 5559HBK-SS
Brake Booster Finish Black Master Cylinder Bore Size 1.125
Master Cylinder Finish Chrome Master Cylinder Material Aluminum
Master Cylinder Type Chrome Flat Top, CPP Left Side Ports Hardware Included Yes
Master Cylinder Lid Style Chrome Smooth Flat Top Proportioning Valve Type Adjustable Proportioning Block Under Mount
Bracket And Lines Included Yes Proportioning Valve Included Yes
Brake Light Switch Included Yes 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 Polished Bracket Material Aluminum
Warranty Yes Prop65 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: 5559FMB

    • Description: Firewall Brake Pedal
    • Quantity: 1

  3. P/N: MCAPVDBU-118C

    • Description: Frame Mount Chrome Flat Top Power Master Cylinder Kit
    • Quantity: 1

  4. P/N: CP5100

    • Description: Chrome HydraStop Accumulator Cover
    • Quantity: 1

  5. P/N: HAHK-S

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

  6. P/N: CPP-BK

    • Description: Bleeder Kit
    • Quantity: 1

  7. P/N: 13049-B

    • Description: Hydraulic Brake Assist Bracket Black
    • Quantity: 1

  8. P/N: CPP-UHBA1

    • Description: Hydraulic Brake Assist Kit
    • Quantity: 1

  9. P/N: C2-7F

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

  10. P/N: C2-7L

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

  11. P/N: C2-7S

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

  12. P/N: C5-7F12G8

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

  13. P/N: H-5559FMB

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

  14. P/N: I-HYDRA-BB

    • Description: HYDRA-BB Instructions
    • Quantity: 1
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