CIRCO Brakes · MB1658SN-25-M220
Circo M220 Race Brake Pads AP Racing 6-pot RD54 (with tab) 25mm (MB1658SN-25-M220)
$1,009
incl. GST · ships AU-wide● Made to orderWe confirm availability with our supplier when you order.
AU-wide shipping
Aussie-owned
Track-tested
“Confidence into the corner is worth more than power out of it.”
Fitment
Will this fit?
Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
The compound
Circo M220.
A GT endurance compound built for 12-hour-plus racing, where holding a consistent pedal over a long stint matters more than peak bite.
Operating range200–900°C
Friction µ0.37–0.41
Pad lifeSame - no numeric figure published.
Rotor weargentle
Cross-brand equivalents
Run something similar.
These are the compounds we stock for the AP Racing 6-pot RD54 (with tab) whose published friction and operating temperature come closest to Circo M220. 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 H21
Partial match200–850°C
Circuit and endurance racing. Project Mu rate it as kind to the rotor with long pad life.
Matched on published operating temperature only — one of the two brands doesn’t publish a friction figure, so this is a weaker comparison.
From $656Project Mu H21-07
Partial match200–850°C
An endurance compound developed for GT and Porsche one-make racing.
Matched on published operating temperature only — one of the two brands doesn’t publish a friction figure, so this is a weaker comparison.
From $890WinmaX WP2
Close0–600°Cµ 0.36–0.39
Built for 4WD towing and high-GVM work rather than circuit racing.
Matched on published friction and operating temperature.
From $362Compare every compound for the AP Racing 6-pot RD54 (with tab)
Fits the same caliper
More pads for the AP Racing 6-pot RD54 (with tab).
Pairs well with
