XYZ Racing Circuit Master Coilovers — Ford FOCUS II / C-MAX φ52 2003-2011

The Focus II’s chassis earned a reputation among road testers for turn-in sharper than almost anything else in its class, and the XYZ Racing Circuit Master coilover for the φ52-strut Focus II and C-MAX (2003-2011) is built to carry that composure onto a circuit rather than just a B-road. This is a full coilover kit for sustained lap-time work: front and rear ride height and damping are both adjustable, so the car can be set low and firm for a trackday rather than left on a fast-road-only compromise.

XYZ Racing builds the Circuit Master around a damper design tested through its own racing teams internationally, with 9720 combinations of damping adjustment split across three external knobs. That range matters on a Focus II or C-MAX, where the factory setup – especially on the taller, softer C-MAX bodyshell – was tuned for comfort and a wide spread of road surfaces rather than one fixed circuit.

What this coilover does for your 2003-2011 Ford Focus II / C-MAX φ52

On the road-going Focus II, body control degrades once weight transfers hard under braking and through fast direction changes – part of what made the standard car feel alert but occasionally unsettled when pushed. Lowering the ride height and firming the front and rear damping cuts that pitch and roll, keeping more of the contact patch loaded through quick transitions. The C-MAX, built on the same platform but taller and heavier over the front axle, benefits even more from the reduction in body roll, since its factory suspension was tuned around ride comfort rather than cornering load. With three knobs controlling a combined 9720 damping settings, you can run the front end firmer to sharpen turn-in and back the rear off slightly to keep the car settled on corner exit – useful on a chassis that already turns in keenly but can get busy near the limit.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ Racing’s coilover range and is built specifically around circuit use rather than everyday road driving. XYZ’s own motorsport teams have run the damper internationally, and that use has shaped the tuning: three external adjustment knobs give access to 9720 separate combinations of compression and rebound damping, letting a driver set the car up for a specific track surface or session rather than one fixed compromise. The small-bore oil passages inside the damper that make this level of adjustment possible are tuned for the smooth, consistent loads of a circuit lap rather than sharp-edged potholes or speed bumps – on rough road surfaces you may hear a faint noise from oil moving through those passages, which is a normal side effect of a damper built for track work, not a fault. Ride height is independently adjustable front and rear on the threaded body, so corner weighting can be set to suit the car and the driver rather than a factory compromise.

Fitment for the Ford FOCUS II / C-MAX φ52 (2003-2011)

This kit is built for the φ52-strut Ford Focus II and Focus C-MAX, chassis code FO05, covering the 2003 to 2011 production run. Confirm your car uses the 52mm-diameter front strut before ordering, as later Focus and C-MAX variants moved to different strut architecture.

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Configure your Circuit Master coilover kit for the Focus II or C-MAX below to match it to your car and the sessions you’re running.