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Wilwood 120-9705

DynaPro 4 Piston Brake Caliper Lug Mount

Wilwood 120-9705

Part Number: 950-120-9705

DynaPro 4 Piston Brake Caliper
  • Lug Mount
  • 1.38'' / 1.38'' Piston Bore Sizes
  • 0.38'' Brake Disc Width
  • Universal Mount
  • Black Anodized Finish
  • $147.83
    Ships 12/05/16
    if Ordered Today
    Made In USA
    FREE Shipping
    Wilwood 120-9705 DynaPro 4 Piston Brake Caliper Lug Mount $147.83

    Wilwood 120-9705 Details

    DP Brake Calipers

  • 1.38'' / 1.38'' Piston Bore Sizes

    Vehicle Applications
    Driving EnviromentVehicle Sub-Types Application Duty
    Street Rods Heavy Duty
    Street PerformanceDomesticHeavy Duty
    Street PerformanceImportHeavy Duty
    Rally Medium Duty
    Road Race Medium Duty
    Late Model DirtSTARS, UMP, IMCA, etc...Heavy Duty
    Northeast ModifiedDirt or PavementMedium Duty
    Open Wheel Sprint, Midget, etc...
    Dirt or Pavement
    Medium Duty
    Off Road Medium Duty
    Industrial Medium Duty
    Drag Racing Heavy Duty

    Product Specifications
    Rotor Compatibility
    Rotor Width:0.38''
    Maximum Rotor Width:0.38''
    Minimum Rotor Width:0.25''
    Maximum Rotor Diameter:13.06''
    Minimum Rotor Diameter:10''
    Brake Pad Specifications
    Brake Pad Type 1:7812
    Brake Pad Type 2:N/A
    Brake Pad Type 3:N/A
    Total Pad Area (in/sq):6.36''
    Total Pad Volume (in/sq):2.1''
    Piston Specifications
    Piston 1 Bore:1.38''
    Piston 2 Bore:1.38''
    Piston 3 Bore:N/A
    Piston 4 Bore:N/A
    Total Piston Area (in/sq):3.00''
    Mounting Specifications
    Mount Type:Lug
    Mount Side:Universal
    Mount Center:5.25''
    Mount Hole Size:0.39''
    Mount Height:2.1''

  • Specifications:

    Fittings Included
    Brackets Included
    Brake Pads Included
    Caliper Finish
    Black anodized
    Caliper Logo
    Caliper Material
    Caliper Piston Quantity
    Caliper Series
    Billet DynaPro
    Fitting Attachment 1
    Female Threads
    Parking Brake Provision
    Piston Diameter (in.)
    Sold individually
    Rotor Thickness (in.)
    Thread Size (in.)
    1/8 NPT
    Manufacturer's Part Number:

    Superior Grip, Sleek Profile!

    Wilwood's DynaPro Lug Mount (DP) forged billet aluminum brake caliper represents the newest generation of calipers available as an upgrade or replacement for applications previously using the long-standing Dynalite model series. DP calipers combine pure race technology with several new exclusive Wilwood performance enhancements. A sleek profile with superior strength and a fully detail machined finish provide the performance and looks for competition or show.

    The strength of the DynaPro is a combination of process and design. The DynaPro is stress-flow forged from premium grade billet. Stress-flow forging realigns the grain structure of the metal within the contour of the body design. This process produces a part with superior strength over parts simply machined from straight grained blocks of billet. The FEA generated body design incorporates a highly fortified radial transition that eliminates steps and shoulders between the piston housings and the bridges. Incorporating a radius in this critical area substantially increases resistance to deflection and caliper body separation under load. Structural deflection and volume displacement testing have proven the efficiency of this innovative design. Reductions in overall deflection, and the subsequent decreases in fluid volume displacement, translate to increased clamping efficiency with less pedal travel. The bottom line is a firm, responsive pedal with outstanding stopping power.

    The DynaPro is loaded with other enhancements for performance and wider application. The calipers feature Quick-E-Clip pad retainers that support a 7812 type brake pad from the top. Not only does it allow for fast pad service without caliper removal, the bottom pad supports have been removed to create a slimmer profile that can be more easily fitted into tight clearance applications.

    Heavy wall stainless steel pistons are used to resist corrosion and slow the heat transfer from the pads. The heavy wall sectional thickness also provides additional strength against backside deflection to provide a firm pedal feel and efficient clamping, even at the high pressures generated by power boost systems.

    For additional strength, all DP calipers can be fitted with a center bridge bolt kit to provide even greater resistance against body separation under high load. Center bridge bolts are included with all side inlet ''SI'' models and available as an upgrade option on all other models.

    Each DynaPro is also fitted with Wilwood exclusive SRS bridge plates. SRS plates eliminate the bridge wear caused by pad gouging to extend the service life of the caliper body. The spring-loading action of the SRS plates also eliminates pad rattle and dampens the vibration harmonics that contribute to squeal during engagement. The package is completed with internal fluid passages and four corner bleed screws that allow mounting in any front, rear, left, or right side position.

  • Lightweight, only 3.8 pounds
  • A sleek profile with superior strength provides performance and looks for competition or show
  • Caliper utilizes stainless steel pistons to provide protection against corrosion and heat transfer from the pads
  • Black Anodized Finish (unless otherwise noted)

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