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Street Beast Complete HydraStop Kit for 1963-66 Chevy Truck

High-performance CPP HydraStop braking system
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Part #
6366HBK-SB
Product Takes 7 Days to Ship
$979.00
1963-66 Chevy Truck Street Beast HydraStop complete hydraulic assist brake kit
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Prop 65 warning
The CPP Street Beast HydraStop Kit is built for 1963-66 Chevy Truck platforms and delivers a complete hydraulic assist braking solution for mid 60s C10 applications. These trucks commonly undergo suspension upgrades, front disc conversions, and engine swaps that benefit from consistent brake assist. By operating from the steering system rather than engine vacuum, HydraStop produces up to 1800 psi at the wheels for dependable stopping power. This Street Beast configuration includes a black direct mount aluminum bracket, rubber high pressure hoses with return lines, AN6 fittings installed, 1 1/8 inch bore master cylinder, mounting hardware, and black accumulator cover. Designed specifically for firewall mounted installations in 1963-66 Chevy and GMC trucks. All HydraStop assemblies are manufactured new and include a limited lifetime warranty when paired with a power steering filter.
More Information
Product Name Street Beast Complete HydraStop Kit for 1963-66 Chevy Truck SKU 6366HBK-SB
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 Adjustable Proportioning Block Under Mount
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 Prop65 Yes
Brand CPP HydraStop Mounting Location Firewall Mount
Product Type Hydraulic Brake Assist Kits
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Customer Questions
Will this work on an LS swap?
Yes, the 6366HBK-SB kit will work great with an LS swap and even includes the necessary fittings to plumb the power steering lines to your Type II GM power steering pump.
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I am replacing all my brake lines with copper/nickel lines. Will this unit still work?
Hi David, Yes, the part number in question will work with copper nickel lines and you will need 3/8-24 flare nuts on the prop block side.  If you have any other questions please do not hesitate to reach out. Thank you.
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HAHK-S _HAHK-R Instructions_6.18
HydraStop Instruction Sheet_1.13
HydraStop Line Drawing

This kit includes:

  1. Fixed

  2. P/N: I-HYDRA-BB

    • Description: HYDRA-BB Instructions
    • Quantity: 1

  3. P/N: HAHK-R

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

  4. P/N: M-C118-APBLF

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

  5. P/N: PVKS-APVDB

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

  6. P/N: CPP-UHBA1

    • Description: Hydraulic Brake Assist Kit
    • Quantity: 1

  7. P/N: DH-5557BPR

    • Description: 4.22in Threaded Push Rod Female 3/8-24x1.5in Thread Female 3/8-24x1.5in Thread
    • Quantity: 1

  8. P/N: H-6366HB

    • Description: Hardware Kit For 6366Hbk
    • Quantity: 1

  9. P/N: 13052-B

    • Description: Hydrastop Booster Bracket Black
    • Quantity: 1

  10. P/N: BP5100

    • Description: Black HydraStop Accumulator Cover
    • Quantity: 1
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