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Stoptech Front ST-40 (328x28 Rotors) Big Brake Kit for 02-07 WRX
  • Stoptech Front ST-40 (328x28 Rotors) Big Brake Kit for 02-07 WRX
  • Stoptech Front ST-40 (328x28 Rotors) Big Brake Kit for 02-07 WRX
  • Stoptech Front ST-40 (328x28 Rotors) Big Brake Kit for 02-07 WRX
  • Stoptech Front ST-40 (328x28 Rotors) Big Brake Kit for 02-07 WRX

Stoptech Front ST-40 (328x28 Rotors) Big Brake Kit for 02-07 WRX

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Part #: 83.836.4300.71

Price: $2,295.00

StopTech's ST-40 (4-Piston) Front Big Brake Kits give your 02-07 WRX that Supercar look and feel, and exceed stock performance in two areas. First, larger rotors increase heat capacity. The StopTech big brake kit uses StopTech's patented Two-Piece Floating Directional Aero Rotors with your choice of several rotor diameters and types, featuring their innovative leading and trailing edge designed cooling vanes. The unique vanes inside the disc maximize airflow through the AeroRotor to reduce turbulence and flow more air than any rotor tested. AeroRotors provide up to 80% better airflow over original equipment rotors and 10-30% better airflow than other directional vaned racing rotors. What does that mean for you? Your WRX's rotors will stay cooler lap after lap (or stoplight after stoplight). Cooler rotors are less prone to warping and cracking, and will also help to prevent brake fade and/or failure.

Second, stiffer calipers and stainless steel lines reduce system compliance. StopTech's calipers incorporate their bolt-in bridge, which is strong enough to dramatically reduce caliper distortion yet does not sacrifice the caliper's cooling. The squeeze forged StopTech calipers have the least flex of any tested after market or OEM caliper. The air channel in the bridge is designed to help air flow through the retainer, resulting in better cooling. A stiffer caliper on your WRX means improved performance without added vibration, noise or pad taper. You will also benefit from better pedal feel under extreme braking conditions. You can brake confidently, knowing your calipers are staying cool as you dive into the next corner. The key, however, is to increase heat capacity and reduce compliance without upsetting the stock front to rear brake torque ratio. If the brake upgrade you select adds too much front torque (as many do), you reduce your car's ability to utilize the tractive capacity of all of the tires to the maximum practical extent (even on ABS equipped cars) and you therefore create performance sacrifices. In addition, too many pistons or pistons that are too large will make the brake pedal much more difficult to modulate, which limits a driver's control of brake input on the race track.

Advantages of StopTech over other brake upgrades:

  • Shorter Stopping Distances
  • Better Brake Modulation
  • Firmer Brake Pedal
  • Less Brake Fade

Feature Benefit Summary:

  • Balanced Brake Upgrades™ with optimum brake bias offer the shortest stopping distance with the best pedal feel
  • StopTech's patented AeroRotors® with the best airflow available result in better cooling, less fade and longer rotor and pad life
  • The stiffest aftermarket calipers with patented bridge result in better clamping under hard braking and less pad taper
  • Track testing of new applications ensures optimum performance

Kits Includes:

  • 328x328 Front Aero Rotors, Standard or Zinc Coated
  • ST-40 4-pot Front Brake Calipers
  • Stainless Steel Brake Lines
  • StopTech Performance Brake Pads
  • Brackets and Hardware