XYZ Racing · Made-to-order · UK shipping

Toyota MARK X GRX120 2004-2009 — Coilovers

The GRX120 Mark X arrived as Toyota’s understated rear-drive saloon, a 2.5 V6 cruiser sprung soft from the factory for the Japanese motorway rather than a B-road or a circuit. That long suspension travel and gentle damping is exactly what owners set out to address. XYZ Racing’s coilovers for the Toyota MARK X GRX120 2004-2009 replace the compliant factory struts with a height-adjustable, damping-adjustable platform built around the car’s rear-drive balance.

Because this Mark X family page covers every XYZ Racing spec, you choose the version that matches how you actually use the car – from a settled fast-road setup to a dedicated drift or circuit build. The common thread is body control: tying down the nose-led pitch and rear squat the standard GRX120 shows the moment you lean on it.

What these coilovers do for your 2004-2009 Toyota MARK X GRX120

Lower the GRX120 and the first thing you feel is the reduced roll and the tighter front-to-rear response the soft OEM setup never gave you. Ride-height adjustment lets you set stance and recover the geometry, while damping control means you can run the car firm for a track day and back it off for the commute. On a rear-drive saloon this counts most mid-corner, where the standard car washes wide before the rear settles – the coilovers sharpen turn-in and keep the contact patch loaded under power. For drift use, the adjustability lets you bias the platform for angle and recovery rather than outright grip.

About the XYZ Racing coilover range

XYZ Racing builds this Mark X kit as a full coilover conversion, not a lowering spring on a fixed strut. Each kit pairs a threaded body for ride-height adjustment with adjustable damping, so preload and corner balance can be set rather than accepted. The range spans nine specifications – Super Sport and Street Advanced for fast road, Top Sport and Circuit Master for track work, Racing Spec for competition, Drift Spec for lock and slide, and Tarmac Rally, Gravel Rally and Pro Rally for stage use. Spring rates and damping are matched to each spec’s intended job, which is why picking the right variant for the GRX120 matters more than chasing the firmest option.

Fitment for the Toyota MARK X GRX120 (2004-2009)

This kit is built specifically for the GRX120 chassis Mark X across the 2004 to 2009 model years. It mounts to the factory pickup points for that chassis code – confirm your car is the GRX120 variant before ordering.