V8R NA/NB Two Piece Rear Brake Upgrade

(2 customer reviews)

$569.95$644.95

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SKU: V8R-99 Categories: , , Brand:
(2 customer reviews)

Weighing in around 7lbs, save a little more than 2lbs per corner of rotating mass. Factory sport rotor sized, lightweight two-piece rotor and hat replace the heavy cast parts. CAD designed and FEA tested, our hats weigh just under 1lb and are designed with cooling reliefs for great thermal dissipation. Custom American gray iron rotors are mated for the ultimate in performance. Pairs well with our aftermarket kit such as our Wilwood Powerlite or StopTech STR21.

Additional information

Weight 20 lbs
Dimensions 15 × 15 × 4 in
Rotor mounting

Fixed, Floating

2 reviews for V8R NA/NB Two Piece Rear Brake Upgrade

  1. Anonymous

    Rotor Upgrade
    Very nice quality, adds more lightness!

    Note: There is 4 different ways to assemble this rotor, took me 2 tries. I think I may have lost the instructions but the web site images shows them assembled in the 2 ways I tried. Keep an eye out for clearance around the rotor fasteners. I may need a wheel spacer to make room for the Wilwood parking brake to clear factory wheel.

  2. Chuck Camp

    Rotor Upgrade
    Very nice quality, adds more lightness!

    Note: There is 4 different ways to assemble this rotor, took me 2 tries. I think I may have lost the instructions but the web site images shows them assembled in the 2 ways I tried. Keep an eye out for clearance around the rotor fasteners. I may need a wheel spacer to make room for the Wilwood parking brake to clear factory wheel.

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Q & A

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Hi, I have the Flyin Miata "little big brake kit" up front, with a stock 11" rotor (2004 Miata). If these rotors fit on the back of the car with stock sport brakes, would they also fit on the front of mine with the FM kit? Basically, I'd like to buy 4 of these and put them on all corners. Thanks! Justin Oppelaar asked on June 11, 2025

Hi Justin - The same kit will not work on all four corners. The front rotor is vented and the rear is solid. This requires two different offsets and width rotors.

V8 Roadsters answered on June 12, 2025
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Will these work with the factory NB Sport brakes 11" rotors? Robert Shinn asked on March 25, 2024

Hi Robert - yes, the factory rear bracket may need lightly clearance the OEM bracket depending on the casting line.

V8 Roadsters answered on March 25, 2024
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Hi, about item "V8R Rear Two Piece Brake Kit". Is that standard wilwood outer disc or custom? Do you happen to have willwood part number of the outer disc? I just want to be sure my local brake supplier has space discs for me if I order the full "4 Piston Rear Upgrade Kit" from you guys. . Also do you ship to Europe? (Finland) Samsa Rintala asked on April 18, 2020

Hi Samsa - the rotor is custom for built for us and this application. We do stock the rotors at all times and the replacement cost is $95ea. We do ship internationally via FedEx.

V8 Roadsters answered on April 20, 2020
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