Fitment
Will this fit?
Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
The compound
Circo M192.
An endurance rear pad developed for GT3 and GT4 machinery, matched to the much higher-friction fronts those cars run.
Operating range100–750°C
Friction µ0.37–0.41
Pad life'Very low wear rate', enabling a full stint without a mid-race pad change. No numeric figure published.
Cross-brand equivalents
Run something similar.
These are the compounds we stock for the Mazda RX8 rear whose published friction and operating temperature come closest to Circo M192. They are a starting point for switching brands — not a guarantee of identical feel, because each manufacturer measures friction on their own equipment.
Project Mu NS-EP
Very close0–400°Cµ 0.37–0.40
Project Mu’s street pad, sold as NS400 in some markets — fade and wear resistance with a fine pedal feel.
Matched on published friction and operating temperature.
From $69WinmaX W5
Close100–750°Cµ 0.40–0.43
WinmaX’s standard circuit model, and the default club racing and rally choice in the range.
Matched on published friction and operating temperature.
Fits the same caliper
More pads for the Mazda RX8 rear.
Pairs well with
