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Stoptech 83.055.4300.R3 | StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005

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  • Stoptech 83.055.4300.R3 | StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005
    Stoptech 83.055.4300.R3 | StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005 Alternate Image 6
    Stoptech 83.055.4300.R3 | StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005 Alternate Image 7
    Stoptech 83.055.4300.R3 | StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005 Alternate Image 8
    Stoptech 83.055.4300.R3 | StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005 Alternate Image 9
    Stoptech 83.055.4300.R3 | StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005 Alternate Image 10

    StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005


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    • Catalog #: 00911727
    • Model #: 83.055.4300.R3
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Product Description

Stoptech 83.055.4300.R3 - StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front; 1991-2005.

**** BEFORE Ordering, please check your application using the StopTech Catalog. LMPerformance is not responsible for incorrect Fitment as we are not given fitment data by the manufacturer.

StopTech 83.055.4300.R3 Specs:

  • Trophy Sport / Slotted Coated Disc
  • Position: Front
  • Rotor: 2-Piece
  • Caliper: ST40
  • Rotor Size: 328x28mm
  • Caliper Color: STR Street
  • Rotor Type: Slotted
  • Finish: Yellow Zinc
  • Important Fitment Notes: 328x28mm Rotor

StopTech Trophy Big Brake Kits are bred for racing. They include forged, lightweight StopTech STR calipers, floating, slotted AeroRotors, stainless steel brake lines, and race engineered caliper brackets. Easily identifiable by their unique shape and finish, StopTech Trophy Big Brake Kit components feature a MIL-spec hard-anodizing on the Trophy STR calipers and AeroHats that is impervious to color change or fading at extreme race temperatures.

StopTech Trophy Kits feature ultra-high performance STR lightweight forged calipers in six-piston, four-piston or two-piston configurations. Based on the highly praised StopTech ST-60, ST-40, and ST-22 calipers, STR calipers feature the same metallurgy and design, but are engineered to provide up to a 20-percent reduction in weight without sacrificing stiffness or performance.

There are two types of StopTech Trophy Big Brake Kits available - one for the track and the other for the street.

StopTech Trophy Sport Big Brake Kits are intended for ultra-high performance street use. They are designed for street driven production vehicles. The Trophy Sport Big Brake Kits use the same STR calipers, AeroRotors and AeroHats found in the full-race Trophy Kits, but add silicone dust boots for extended service intervals and anti-rattle rotor mounting hardware for quieter operation. They also include StopTech Sport Brake Pads for high performance street and occasional track use. Trophy Sport Big Brake Kits are the ultimate street braking system.

All StopTech Trophy Big Brake Kits include:

  • Patented StopTech AeroRotors for optimized airflow
  • Patented, billet 7075 aluminum AeroHats to further increase airflow
  • Forged StopTech STR calipers with patented bolt-in bridge for ultimate stiffness
  • StopTech stainless steel brake lines
  • Race engineered caliper brackets
  • Hard-anodized finish on calipers and hats that resists fading and discoloration

StopTech AeroRotors incorporate several design innovations to improve rotor airflow, cooling and heat capacity. The ability to absorb and dissipate heat is essential to brake system performance. The uniquely designed vanes inside the AeroRotors optimize airflow through the disc. This improved directional design minimizes turbulence and flows more air than any other rotor tested. Better Airflow means better cooling and less fade.

AeroRotors are available either drilled or slotted for better dissipation of pad material and heat. An optional anti-corrosion gold zinc coating benefits customers who live in colder climates, where snow and road salt are commonly encountered. Zinc coating also benefits customers who prefer no visible surface rust on the vanes and outer circumference of their rotors.

StopTech has developed several design innovations to improve rotor airflow. The patented 2-piece AeroRotors push more air thanks to curved, airfoil-shaped vanes and an air channel that widens at the trailing edge of the vanes.

StopTech AeroRotor Features:

  • Specifically engineered and patented AeroVanes for optimum cooling
  • Patented, billet 7075 aluminum AeroHats for improved airflow
  • Full-floating mounting hardware to eliminate pad knock-back
  • Optimized to provide even performance and consistent feedback
  • Hard-anodized hats are impervious to color change or fading

StopTech STR Calipers

  • Stiffest aftermarket caliper available gives a consistent firm pedal
  • Fully machined and lightweight for track action
  • Hard anodized finish that is impervious to color change or fading
  • Fully forged and extremely stiff for firmer brake pedal feel
  • Meticulously engineered 2-piece design reduces flex
  • Patented, removable center bridge further resists yaw(flex)
  • Carefully selected piston sizes for precise torque output

Hard Anodized 6061-T6 Billet aluminum Mounting Brackets with Stainless Steel Studs Application-specific hardware that is stronger than most competitors, with studs instead of the more commonly used bolts and hard anodized aluminum billet composition.

  • Hard anodized billet aluminum mounting brackets
  • Stainless steel studs secured with set screws for strength and durability

    • Fully machined aluminum or steel that is precise and strong
    • Application specific design for precise and proper fitment
    • All necessary hardware for easy installation

    StopTech Stainless Steel Brake Lines: Braided stainless steel lines reduce system compliance and improve brake pedal feel and modulation. StopTech's Stainless Steel Brake Lines are D.O.T. compliant and designed to fit your vehicle.

  • Stainless steel braiding for lower compliance and extra protection
  • Provides quicker response
  • Firmer pedal feel
  • A variety of fittings for hundreds of applications
  • All necessary brackets and fasteners for easy installation
  • Better brake modulation
  • D.O.T. compliant
  • StopTech aluminum AeroHats are lighter, and feature directional stand-offs between the rotor and mounting hat that increase airflow to the (hotter) outside face of the rotor by over 50 percent

    • Patented design with directional stand offs between the rotor and mounting bell
    • Increases airflow by 50%-100% over traditional 2-piece designs
    • Increased airflow reduces the temperature difference between the inside and outside rotor faces
    • Results in less distortion and better performance compared to other fully floating designs
    • Outer pad wear is reduced

    While wheel clearance is completely dependent on the diameter, offset and spoke design of your wheels, a general guideline is that StopTech kits usually require the following:

    • 328mm rotor (12.9) - minimum 17 wheel
    • 332mm rotor (13.1) - minimum 17 wheel
    • 355mm rotor (14) - minimum 18 wheel
    • 380mm rotor (15) - minimum 19 wheel

    Larger wheels are typically needed when installing a Big Brake Kit. StopTech provides a large database of wheel fitment templates to ensure proper fit with your aftermarket wheels.

    They include forged, lightweight StopTech?ßSTR calipers, floating, slotted AeroRotors, stainless steel brake lines, and race engineered caliper brackets.

    **** Before Ordering, please check your application using the StopTech Catalog, and the StopTech Racing Catalog

    Weight: 68 lbs

    About Stoptech

    History and information about Stoptech and their products.

    If you own a high performance automobile or enjoy a spin on the racing circuit then you know how critical your choice of brakes is for not only top notch performance but also for your car’s ability to stop without fail. In order to accomplish this goal you need to feel confident in the selection you make and trust the manufacturer to give you an inimitable product and STOPTECH is just such a company.

    The STOPTECH brand is the high performance and racing brand of the award winning company CENTRIC PARTS, a leader in the design and production of superlative brake components and systems for passenger vehicles, medium duty trucks, fleet vehicles and high performance vehicles and race cars. STOPTECH was developed with the goal of providing the best in aftermarket high performance brake components and systems for the racing aficionado and high performance enthusiasts like yourself.

    STOPTECH has a long history in the area of brake and brake component development having been founded as early as 1999 and they have always focused on becoming the primo aftermarket manufacturer and supplier of high performance brake components and systems. A testament to their dedication and expertise is the fact that they were the first to offer balanced brake upgrades for production cars and consequently are the worldwide luminary having over 700 platform offerings that dramatically improve overall braking performance.

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    California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov

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    Search Terms: 830554300R3 83.055.4300.R3 ST83.055.4300.R3 ST830554300R3 StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors, Front 2Piece Brakes Big Brake Kits Trophy Sport Big Brake Kit ST40 Caliper StopTech Acura NSX Big Brake Kit ST40 STR Street Calipers & 2-Piece Yellow Zinc Slotted Rotors Front 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 83.055.4300.R3

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