Front Complete OE-Style Power Disc Brake Conversion Kit for 1971-1974 Mopar B & E-Body Models
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JEGSPART NUMBER: 555-630107

Front Complete OE-Style Power Disc Brake Conversion Kit for 1971-1974 Mopar B & E-Body Models

$98299
ShippingShips on Sep 16, 2026
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Mopar B & E-Body Models
Front Complete Power Disc Brake Conversion Kits w/Standard Rotors
Complete Power Disc Brake Kit
  • 1971-1974 B & E-Body
  • See Fitment Tab for All Applications
  • Includes:
    • O.E.-Style Master Cylinder
    • O.E.-Style Power Booster
    • Spindles
    • Rotors
    • Mounting Brackets
    • Hardware

      JEGS 555-630107 Front Complete Power Disc Brake Conversion Kit Features:

      • (1) Black O.E.M Style 1.25 in. Bore Master Cylinder Complete with 2225621 Casting Numbers, 9/16 in.-20 and 1/2 in.-20 Ports
      • (1) Adjustable Proportioning Valve with (2) 3/8 in.-24 Front Ports and (1) 9/16 in.-18 Rear Port
      • (1) 8 in. Dual Diaphragm O.E.M Style Black Power Brake Booster Conversion Kit
      • (1) Firewall Reinforcement Plate and Booster Linkage
      • (2) 11 in. Diameter Standard Hub and Rotor Assemblies
      • (2) New - Large Single Piston Kelsey Hayes Slider Type Calipers
      • (1) D84 Semi-Metallic Brake Pad Set
      • (2) Caliper Brackets
      • (2) Rubber Flex Line Hoses
      • (2) Backing Plates
      • (2) Stock Height Spindles
      • (2) Inner and Outer Bearing Sets
      • (2) Wheel Bearing Seals
      • (2) Wheel Hub Dust Caps
      • (2) Spindle Nut, Washer, and Cotter Pin Sets
      • (1) Mounting Hardware

      JEGS 555-630107 Front Complete Non-Power Disc Brake Conversion Kit Note:

      • When Converting from Manual Brakes to Power Brakes, Modifications to the Firewall May be Necessary.
      • Fits Stock 14 in. diameter wheels. Will work with aftermarket 14 in. diameter wheels with back spacing greater than 3.5 in.
    • Stopping Performance for Your Mopar Muscle Car

      JEGS front drum-to-disc brake conversion kits for Mopar Muscle Cars let you bring the braking of a modern car in a classic package. Our kits are available as either a manual operation or power assist and come with standard rotors or premium options with drilled and slotted rotors combined with braided stainless steel brake lines.

    Part TypeBrake Conversion Kit
    Product LineJEGS Mopar Front Disc Brake Conversion Kits
    BrandJEGS
    Package Height16.0
    Package Width28.0
    Package Length30.0
    Weight141.0 PG
    Part CategoryPerformance Parts
    Spindle FinishRAW (Natural Cast Iron)
    Front Rotor ConstructionVented
    Brake Hose Outer MaterialRubber
    Brake Booster FinishBlack Powder Coated
    Brake Booster TypeDual Vacuum diaphragm O.E.-Style
    Front Caliper IncludedYes
    Master Cylinder Bore Size1.25 in (31.75 mm)
    Wheel Bearings IncludedYes
    Minimum Recommended Wheel Diameter14 in (355.6 mm)
    Brake Booster Diameter8 in (203.2 mm)
    Brake Pedal Rod Extension IncludedYes
    Bowl DesignDual
    Brake Hoses IncludedYes
    Disc Brake Caliper (Front) Piston QuantityOne
    Master Cylinder Cap IncludedYes
    Wheel Bolt Pattern5 x 4 1/2 (114.3 mm)
    Master Cylinder IncludedYes
    Dust Shield IncludedYes
    Master Cylinder TypeO.E.-Style
    Dust Shield MaterialStamped Steel
    PositionFront
    Master Cylinder FinishBlack Powder Coater
    Front Rotor StyleSolid surface
    Brake Pads IncludedYes
    Brake Booster IncludedYes
    QuantitySold as a kit
    Mounting Hardware IncludedYes
    Seals IncludedYes
    Bearings IncludedYes
    Spindle MaterialForged steel
    Amount Of DropStock
    Mounting Brackets IncludedYes
    Front Caliper MaterialCast iron
    Brake Booster MaterialSteel
    Master Cylinder MaterialCast Iron
    Front Spindles IncludedYes
    Front Rotor Diameter11.00 in./279.4mm
    Front Caliper FinishNatural
    Part FitmentDirect Fit
    Front Rotor IncludedYes
    Brake Pad MaterialSemi-metallic
    Package Qty1
    Package TypeEA
    No Questions
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