XYZ Racing Racing Spec Coilovers — Infiniti QX50 (P71A) 4WD 2019-2026

The P71A QX50 is a 1.8-tonne crossover with a variable-compression VC-Turbo up front and an all-wheel-drive system biased toward comfort – not a natural starting point for a circuit car. That is precisely why the Racing Spec coilover exists for owners who have decided to make one anyway. This is the dedicated track damper in the XYZ catalogue, developed from data gathered in live racing rather than adapted from a fast-road kit.

What sits in the QX50’s strut towers from the factory is tuned to mask body roll on a school run, not to control a tall, heavy 4WD chassis through repeat braking events at Donington or Cadwell. The Racing Spec replaces that compromise with a damper built around one job: keeping the contact patch loaded when you are committed.

What this coilover does for your 2019-2026 Infiniti QX50

On a chassis this tall and this heavy, the first thing you feel is the body finally staying still under trail-braking – the nose stops diving, the outside-rear stops unloading, and the front axle starts behaving like it is actually being asked questions. Damping settings carried over from XYZ’s WTCC programme give the kit the bandwidth to handle a kerb strike on the way into a corner without unsettling the AWD system on the way out. Spring rates appropriate to track work pull the centre of gravity down, which on a high-riding crossover is the single biggest handling gain available. Steering response sharpens because the front tyres are no longer fighting the standard bushings for control of the geometry. Brake feel improves as a second-order effect – a stable platform under load means the pedal does what your foot tells it to.

About the Racing Spec coilover

Racing Spec is XYZ Racing’s circuit-only damper, with valving derived directly from the brand’s involvement in WTCC and similar series. Construction is geared toward heat tolerance and repeatable damping force across a full session rather than the broader compliance window of the road-biased kits in the range. Where the Super Sport and Top Sport units in the catalogue are calibrated for street-and-occasional-track duty, the Racing Spec is calibrated for a car that lives on a circuit and is trailered home. XYZ also operates a custom-build route for cars running aggressive aero, stripped weight, or factory-style racing builds – owners can submit a full parts list and target circuit, and the company will spec dampers around that combination rather than the generic platform tune. For a P71A QX50 being prepared seriously for time-attack, that custom path is worth raising directly when you order.

Fitment for the Infiniti QX50 (2019-2026)

Built specifically for the P71A-platform QX50 4WD, covering the 2019 through 2026 model years. The 4WD-specific fitment is important – rear damper geometry and spring rates on the all-wheel-drive car differ from any 2WD variant, and this kit is matched to the P71A 4WD chassis.

What buyers also search for

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If you are building a P71A QX50 for the circuit and want valving with a real racing pedigree behind it, configure your Racing Spec kit below.