Daihatsu SIRION Rr: Non-ride height adjustable 1998-2005 — Coilovers

Light, tall and sprung soft from the factory for ride comfort and fuel economy rather than corners, the first-generation Daihatsu Sirion has always responded hard to a suspension rethink. There is so little mass over the axles that the standard struts, valved for a gentle life, struggle to keep the body settled the moment you press on. This XYZ Racing coilover set for the 1998-2005 Sirion replaces that soft OE compliance with uprated springs and properly matched dampers, dropping the car and tightening up how it moves.

Because this is the full XYZ Racing family for the DI04 Sirion, you choose the spec to match how you actually use the car – from the fast-road Super Sport to the circuit-focused Circuit Master, with Top Sport, Racing Spec, Tarmac Rally and Drift Spec in between. One small chassis, six different characters.

What this coilover does for your 1998-2005 Daihatsu Sirion

On a car this light the gains land quickly. The coilovers bring the Sirion down to a set lower ride height on stiffer springs, so the tall body leans far less and the nose stops washing wide mid-corner. Turn-in sharpens, and the car stays flatter when you trail the brakes into a tight second-gear bend. This is a non-ride-height-adjustable design, so the drop and spring rate arrive pre-set for the spec you pick rather than being wound up and down on a lower collar – fewer fitting variables and one less thing to corner-balance wrong. On the damping-adjustable tiers you can still soften the car for a scarred B-road and firm it back up for a track session.

About the XYZ Racing coilover range

Each kit here is a full coilover assembly – spring and damper on a single threaded body – rather than a lowering spring dropped onto a tired standard strut. As a non-ride-height-adjustable specification, the lowered stance is fixed by the spec rather than set on a threaded collar, which keeps the part count down and the install straightforward. Where the range earns its breadth is character: six specs cover very different jobs. Super Sport targets fast road, Top Sport suits the keen driver mixing road miles with the odd track day, Racing Spec and Circuit Master aim at committed circuit work, Tarmac Rally is set for sealed-surface stage use, and Drift Spec is geared to lock-and-slide angle. Spring rate and damper valving change between those tiers to match the use, so you configure the version that fits how you drive the Sirion rather than accepting a single generic setup.

Fitment for the Daihatsu Sirion (1998-2005)

This kit is catalogued for the first-generation Daihatsu Sirion (chassis reference DI04) across the full 1998 to 2005 run. It is the non-ride-height-adjustable coilover specification for this fitment. Confirm your exact variant and front-and-rear setup against the spec table before ordering, and check which of the six tiers matches your intended use.

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Pick the spec that matches your Sirion’s job – from Super Sport to Circuit Master – and configure yours below.