XYZ Racing Top Sport Coilovers — Lexus GS 300/400 (S140) 1993-1997

The S140 GS arrived in 1993 as Toyota’s most serious attempt at the European sport-touring saloon – a capable double-wishbone chassis that was then deliberately softened in the name of Lexus refinement. That stock setup is competent on a smooth motorway but asks questions it cannot answer once a track-day kerb or an aggressive B-road section appears: body roll builds early, the nose rides high in fast corners, and the standard dampers cannot keep pace with either the 2JZ-GE’s willingness to rev or the 1UZ-FE V8’s torque on corner exit.

The XYZ Racing Top Sport coilover for the Lexus GS 300/400 S140 tightens all of that. Spring rates rise by up to 2 kg/mm over the stock setting, damping firms up by 30-50 per cent, and ride height drops to a level that actually suits the car’s mass and width. The result is a GS that handles with intent rather than managing around its own compliance.

What this coilover does for your 1993-1997 Lexus GS 300/400 (S140)

Higher spring rates arrest the S140’s pronounced body roll and give the front double-wishbone geometry something firm to work against, sharpening turn-in and reducing the nose-loading that builds through long, fast corners. The 30-50 per cent damping uplift means the chassis reacts quickly to surface changes without transmitting sharp jolts straight into the cabin – the added suppression keeps all four tyres loaded when the road is anything but flat. Lowering the ride height shifts the centre of gravity down, cutting the lateral weight transfer that was the GS’s main handling liability from the factory. On a street-focused track day, the change in corner-speed confidence is immediate.

About the Top Sport coilover

The Top Sport is the entry point into XYZ Racing’s adjustable coilover range, designed for drivers who want occasional circuit use without sacrificing daily driveability. Spring rates climb by up to 2 kg/mm against a street baseline, and damping sits 30-50 per cent firmer – enough to suppress body shock across broken surfaces and absorb the kind of abrupt hits that expose factory setups, but not so stiff the car becomes punishing on a long commute. All calibration draws directly on XYZ Racing’s track programme: the spring rates and damping levels have been verified through the same aggressive driving scenarios the Top Sport name was built around. The system is not a generic stiffening of OE spec; it is a considered recalibration of what the S140 platform can do when the luxury bias is removed.

Fitment for the Lexus GS 300/400 (S140) (1993-1997)

This kit covers the Lexus GS 300/400 on the S140 platform across the full 1993-1997 production run, spanning both the 3.0-litre six-cylinder and 4.0-litre V8 variants. Confirm your chassis code is S140 before ordering. The kit mounts to the S140’s standard suspension pickup points front and rear without modification.

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Select your preferred ride-height and damping configuration, and build yours below.