XYZ Racing Circuit Master Coilovers — Toyota YARIS XP90 Modified Rear Integrated 2005-2011

The Yaris XP90 was never built with a circuit in mind, but its featherweight B-segment platform and short wheelbase make it a genuine giant-killer once the standard-issue suspension is off the car. Stock spring rates and single-pace damping were tuned for supermarket car parks, not trail-braking into an apex, and that mismatch shows up first at the front axle, where a light nose and quick steering ratio invite the car to dart rather than settle through direction changes.

The XYZ Racing Circuit Master coilover kit for the Toyota Yaris XP90 (2005-2011) replaces that setup with a circuit-specific platform, built for drivers running repeated timed sessions rather than the occasional trackday sighting lap. It is the range built around lap-time consistency, not fast-road comfort.

What this coilover does for your 2005-2011 Toyota Yaris XP90

Fit the Circuit Master kit and the XP90’s chassis balance changes immediately under load. With 9720 damping combinations split across three external adjustment knobs, you can separate high-speed compression from low-speed rebound instead of chasing a single compromise setting, which matters on a car this light – small mid-corner bumps unsettle the Yaris far more than they would a heavier hatch. Lowering the ride height on a circuit-spec coilover also drops the centre of gravity, cutting the body roll that otherwise transfers load off the inside front tyre under trail-braking. Corner-entry rotation sharpens as a result, and the car holds its line through direction changes instead of pushing wide. On a chassis with this little mass, damping changes are felt immediately from one lap to the next, so the range of adjustment gives you the granularity to chase small changes in grip rather than guessing at a fixed setting.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ Racing’s coilover range and is built specifically around sustained lap work rather than daily use. The damper architecture has been proven through XYZ’s own racing programmes on circuits internationally, and the 9720-way adjustment spread comes from the interaction of three separate external knobs rather than a single dial, letting compression and rebound be set independently. That fine control runs through deliberately small internal oil passages, which is what allows such a wide adjustment window in a damper this compact – a design choice aimed squarely at circuit surfaces rather than pockmarked B-roads. XYZ treats this as the flagship spec for teams chasing consistent lap times over outright ride comfort, and the Yaris XP90 application carries the same internals as the rest of the Circuit Master range, with the Modified Rr Integrated rear specification built into the kit for this generation.

Fitment for the Toyota Yaris XP90 (2005-2011)

This kit is built for the Toyota Yaris XP90, chassis code TO64, across the full 2005-2011 production run, in the Modified Rr Integrated rear specification. Confirm your generation and rear-end spec against the chassis code before ordering, since running gear on the XP90 changed across the model’s build years.

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The Circuit Master range for the Yaris XP90 spans multiple adjustment and spring-rate options depending on how hard the car is driven – pick your spec below and build the kit around your circuit.