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GP 310 4 Piston Motorcycle Front Brake Caliper 1984-99 Harley Davidson
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WILWOODPART NUMBER: 950-120-7737

GP 310 4 Piston Motorcycle Front Brake Caliper 1984-99 Harley Davidson

$54371
ShippingShips on Sep 07, 2026
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1984-99 Harley Davidson
  • Front Brake Caliper
    • GP 310 4 Piston Motorcycle Front Brake Caliper
    • 1984-99 Harley Davidson
    • 1.25'' / 1.25'' Piston Bores
    • 11.5'' Rotor Dia.
    • 0.25'' Disc Width
    • Left Hand, Direct Leg Mount
    • Chrome Finish


      Vehicle Applications
      Driving EnviromentVehicle Sub-TypesApplication Duty
      Motorcycle Heavy Duty
      PowersportsATV, SnowmobilesMedium Duty


      Product Specifications
      Rotor Compatibility
      Rotor Width:0.25'
      Maximum Rotor Width:0.25'
      Minimum Rotor Width:0.18'
      Maximum Rotor Diameter:11.5'
      Minimum Rotor Diameter:11.0'
      Brake Pad Specifications
      Brake Pad Type 1:6208
      Brake Pad Type 2:N/A
      Brake Pad Type 3:N/A
      Total Pad Area (in/sq):3.65'
      Total Pad Volume (in/sq):0.63'
      Piston Specifications
      Piston 1 Bore:1.25'
      Piston 2 Bore:1.25'
      Piston 3 Bore:N/A
      Piston 4 Bore:N/A
      Total Piston Area (in/sq):2.46'
      Mounting Specifications
      Mount Type:Lug
      Mount Side:Left Hand, Direct Leg Mount
      Mount Center:3.44'
      Mount Hole Size:3/8'-16
      Mount Height:2.33'

    Legendary Stopping Power, Show Quality Finish!

    Wilwood's GP 310 motorcycle disc brake calipers have been designed and engineered for use on 1984-present Harley-Davidson® Motorcycles. Built around a 4-piston, high performance powerhouse, these billet aluminum calipers bring distinctive, bolt-on styling.

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    Features:

    • Direct leg-mounted calipers are available for all single and dual disc models (except Springer and 4-speed FL models), as well as the 1983 XR 1000
    • Available in polished, brilliant chrome, high luster black powder coat finishes
    • Stainless steel pistons are employed to reduce brake fade while resisting corrosion
    • High temperature piston seals are utilized to extend life, control retraction, and provide drag free operation
    • Additional features include bright finish bleed screws and hardware, plus an exclusive anti-rattle pad clip
    • Low dust, low noise brake pads are designed to operate in the widest range of temperatures and environments, utilizing our industry leading stainless steel rotor compatible formulation


    Click on image to enlarge
    Part TypeBrake Caliper
    Product LineWilwood GP 310 Motorcycle Front Disc Brake Calipers
    BrandWILWOOD
    Package Height4.0
    Package Width5.4
    Package Length8.5
    Weight2.13 PG
    Part CategoryPerformance Parts
    Caliper Piston QuantityFour
    Caliper MaterialAluminum
    Brake Pads IncludedYes
    QuantitySold individually
    Piston Diameter1.25 in (31.8 mm)
    Rotor Thickness0.25 in (6.4 mm)
    Caliper SeriesGP 310
    Caliper LogoWilwood
    Parking Brake ProvisionNo
    Fittings IncludedYes
    Brackets IncludedNo
    Part FitmentSemi Universal
    Caliper FinishChrome
    Vendor Part Number120-7737
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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