XYZ Racing Racing Spec Coilovers — Lexus LS 400 (XF10) 1989-1994

Toyota designed the XF10 LS 400 to isolate its occupants from the road entirely. The 1UZ-FE V8, the double wishbone suspension at all four corners, the hydraulically damped subframe mounts – every engineering decision was made in the service of refinement, not response. Undoing that is precisely what the Racing Spec coilover exists to do.

Close to 1,800 kg of rear-wheel-drive saloon becomes a genuinely usable track tool once the geometry is properly loaded and the damping calibrated for competition pace rather than motorway comfort. The XF10’s all-independent double wishbone layout is a real structural advantage on circuit – the geometry works well under load – but it only pays off with a damper matched to the task.

What this coilover does for your 1989-1994 Lexus LS 400 (XF10)

Fitted, the LS 400’s tendency to wallow through direction changes disappears. The 1UZ’s torque gets planted rather than wasted on body movement, and the rear end becomes predictable under power in a way the factory setup never allowed. The Racing Spec’s settings emerge from direct competition experience – validated at the limit, not softened for the road – which changes the character of the XF10 front axle under braking significantly. Hauling a heavy saloon into a late-apex corner is a different proposition when the damper loading is calibrated to the job rather than borrowed from a road-use design.

About the Racing Spec coilover

The Racing Spec is XYZ Racing’s full competition line, developed specifically for track and time attack use, with settings derived from direct participation in racing events including WTCC. This is not a road coilover with a stiffened tune – the calibration starts from competition data and works back to the car. For XF10 owners running substantial modifications – engine work, aero, upgraded braking systems – XYZ Racing offers custom damper specifications, provided you supply build details and the circuit you intend to run. That custom path extends to A-class competition builds where standard Racing Spec calibration may not align with the modified platform’s demands. Construction prioritises consistent behaviour under the sustained mechanical and thermal loads of repeated circuit sessions.

Fitment for the Lexus LS 400 (xf10) (1989-1994)

This kit covers the first-generation Lexus LS 400 on the XF10 platform, spanning the full 1989-1994 production run. The XF10 ran fully independent double wishbone suspension front and rear throughout this period, which this Racing Spec coilover replaces directly. Confirm your chassis code before ordering.

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Configure yours below – if your XF10 carries significant modifications, note your build specification and target circuit in the order details for a custom damper calibration.