Stoptech Mazdaspeed3 Big Brake Kit gives your vehicle that modified look and feel, and exceed stock performance in two areas. First, larger rotors increase heat capacity on your MS3. Second, stiffer calipers and stainless steel lines reduce system compliance. 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.
These kits fit the 2007-2009 Mazdaspeed3 Only
This kit may NOT fit your wheels, you MUST measure before buying, there are no cancellation or returns on Stoptech Big Brake kits they are a special order product.
IIR and Stoptech accept no responsibility for fitment issues related to aftermarket wheels. Before purchasing, use this
Wheel Fitment Template
to measure the clearance behind your rims.
All Stoptech kits are made to order, they can take approximately 1+ week for standard kits, 30+ days for special options such as colored calipers (Blue, Yellow, Silver, Gold, and Blue) and Drilled (as pictured above) or Zinc Rotors. You must call to order upgraded options.
Kit Includes: Includes: 4 Piston Calipers, 2-Piece 332x32mm Slotted Rotors, Stainless Steel Brake Lines, & StopTech Performance Brake Pads
Part Number: 83.622.4600.
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