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Wilwood 120-11577

Narrow Dynalite 4 Piston Billet Caliper Lug Mount

Wilwood 120-11577

950-120-11577

made in usa
jegs shipping
FREE Shipping
Ships 01/25/17 if Ordered Today
Wilwood 120-11577 Narrow Dynalite 4 Piston Billet Caliper Lug Mount $134.67
Narrow Dynalite 4 Piston Billet Caliper
  • Lug Mount
  • 1.12'' / 1.12'' Piston Bore Sizes
  • 0.38'' Brake Disc Width
  • Universal Left/Right Mount
  • Black Anodize Finish

  • Wilwood 120-11577 Details

    FNDL Billet Caliper

  • 1.12'' / 1.12'' Piston Bore Sizes
  • 0.38'' Brake Disc Width

    Product Specifications
    Rotor Compatibility
    Rotor Width:0.38''
    Maximum Rotor Width:0.38''
    Minimum Rotor Width:0.25''
    Maximum Rotor Diameter:12.72''
    Minimum Rotor Diameter:11.75''
    Brake Pad Specifications
    Brake Pad Type 1:7816
    Brake Pad Type 2:7216
    Brake Pad Type 3:N/A
    Total Pad Area (in/sq):6.36''
    Total Pad Volume (in/sq):3''
    Piston Specifications
    Piston 1 Bore:1.12''
    Piston 2 Bore:1.12''
    Piston 3 Bore:N/A
    Piston 4 Bore:N/A
    Total Piston Area (in/sq):1.98''
    Mounting Specifications
    Mount Type:Lug
    Mount Side:Universal Right / Left Hand
    Mount Center:3.5''
    Mount Hole Size:0.45''
    Mount Height:2.85''

  • Specifications:

    Manufacturer's Part Number:
    120-11577

    Forged Narrow Dynalite Outperforms
    All Other Similar Size Calipers!


    The Forged Narrow Mount Dynalite (FNDL) caliper is ideal for many competition applications and widely used in late models, modifieds, sprints, off road and road racing. Computer generated design and stress analysis technology, is the latest innovation from Wilwood providing substantial improvements in strength and performance over all comparable caliper models. Forged Narrow Mount Dynalites are the strongest calipers in the class. FNDL calipers are a direct replacement for all previous Wilwood NDL's and similar competitive brands with 3.50'' centered mounting tabs. A total of five bolts provide superior bridge strength and positive retention of the top loaded 7816 or 7216 type brake pads. The full range of PolyMatrix pad compounds is available to match the brake response and heat range requirements of any competition application.

    The process of stress-flow forging re-aligns the metal's grain structure within the contour of the caliper body. This process eliminates the breaks and interruptions to the internal grain structure that occur when machining a straight block billet. The FEA generated radial transition design eliminates steps and shoulders in the area between the piston housing body and the caliper bridges. Incorporating a radius in this transition area substantially increases resistance to deflection and caliper separation under load. Structural deflection and volume displacement tests have proven the Forged Narrow Mount Dynalite to outperform all existing styles of this popular caliper size.

    The superior strength of this innovative design is combined with proven performance features from Wilwood's earlier designs. Each caliper is equipped with Wilwood's SRS stainless steel bridge plates. The SRS plates eliminate the bridge wear caused by pad gouging and 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 under braking. Other standard Wilwood features include high temperature seals and stainless steel pistons to eliminate corrosion and retard heat transfer from the pads. Internal fluid passages eliminate the need for external tubes. Four corner bleed screws assure simple and effective air evacuation from the system and allow one caliper to be mounted in any front, rear, right, or left position. To round out the package, FNDL calipers are finished in Wilwood's exclusive Platinum-E coating for long lasting protection in high heat environments. Polished units are also available in select piston sizes and rotor widths.

  • Direct replacement for all narrow mount Dynalite calipers with 3.50'' centered mounting tabs
  • Four corner bleed screws allows one caliper to be mounted in any front, rear, right or left position.
  • SRS bridge plates eliminate bridge wear caused by pad gouging and extend the service life of the caliper body
  • Lightweight at only 3.8 pounds
  • Calipers are finished in black anodize for a long lasting durable finish



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