V8R StopTech STR four wheel brake kit

$2,050.00

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Description

V8R StopTech STR kit is the ultimate in Miata brake performance! The STR-42 is the smallest and lightest 4-piston caliper developed from StopTech. Designed with high fluid pressures and forces in-mind, the STR-42 is the preferred option for blade type rotor systems. The stiff, lightweight STR-42 caliper provides a level of performance that did not exist before. It has a 30% increase in pad volume over traditional 4 piston lug mount kits.

Paired with our CAD designed and Finite Element Analysis (FEA) tested hats that weigh in just over 1lb, and are designed with cooling reliefs for greater thermal dissipation. 11.750″ rotors offer the largest thermal capacity available under 15″ wheels. Standard with our American made plain face directional rotors or optional PFC rotors.

Rear axle application we’ve worked directly with StopTech and engineered the lightweight STR-21 caliper over both the sport and non-sport rotor. The STR21 was designed to be used for the rear axle that requires less pad volume than the STR-22 and non-vented, solid rotors. This package can be implemented in smaller wheel diameters, typical of most front-wheel drive race cars. Even with its smaller size, the STR-21 maintains caliper stiffness and optimal pad wear to provide the best performance in its class.

Wheel Fitment: When wanted to offer the best performance in every single category, including wheel fitment. Our 11.75″  kits will clear most current aftermarket 15″ wheels. Fitment template is available via email. Proper wheel clearance is responsibility of the end user.

Design: All V8R parts are CAD designed and FEA tested and machined in house with today’s latest CNC equipment. This kit has been tested extensively in the harshest conditions, both on the street and at the race track.

Spare Parts: Like any kit destined to be used for years on track, the ready supply of spare parts is incredibly important when considering whether or not to buy an aftermarket braking system for your MX5. We took this into consideration when designing this kit, and as such are able to keep the price of consumables lower than almost any other brake kit on the market today. Rotor rings, brake pads, and hardware are all readily available through us, as well as many online vendors. Because this caliper uses a pad shape that has been in production for over two decades, along with a rotor size and bolt pattern shared with many off-the-shelf brake solutions, parts will always be affordable and readily available.

What’s Included

  • Stoptech STR42 & STR21 Trophy calipers, made to V8R specs and matched to OEM master cylinder
  • V8R directionally-slotted floating two piece 11.75″ rotors
  • Motorsports-grade anti-rattle rotor mounting or fixed mounted hardware
  • V8R billet 6061 caliper brackets with mounting hardware
  • DOT approved stainless steel brake lines
  • Type-III black hard coat anodized or electroless nickel plated hats
  • 12oz of brake fluid

Up Front:

StopTech STR42 calipers 3.2lbs

Light weight 6061-T6 hard anodized hats

V8R plain face, directional 11.750″ rotors

6061 brackets with 10.9 hardware

DOT approved SS brake lines

Front removes up to 9.5lbs per corner of unsprung weight depending on year models

 

In the Back:

StopTech STR21 V8R Miata specific

6061 brackets with 10.9 hardware

DOT approved SS brake lines

Removes up to 7lbs per corner

Add our optional two piece rear hats for an additional 2lbs per corner savings   https://v8roadsters.com/product/v8r-rear-two-piece-brake-kit/

 

This is a competition kit only and does not offer a park brake solution.

 

Additional information

Weight40 lbs
Dimensions18 × 16 × 10 in

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