XYZ Racing Tarmac Rally Coilovers — Porsche 991 GT3 (without hydraulic lift system) 2013-2019

For sealed-stage tarmac competition, the 991 GT3 starts from an unusual position: Porsche’s double-wishbone front suspension – a layout shared with the GT racing programme rather than the Carrera’s MacPherson arrangement – already puts this car closer to a competition tool than anything in the mainstream coilover market typically encounters. The challenge is not manufacturing capability; it is retuning a chassis calibrated for smooth circuits to handle the compressions, crests, and variable traction of rally stages.

The XYZ Racing Tarmac Rally coilover for the Porsche 991 GT3 addresses exactly that brief. These are not road dampers with a rally sticker; every calibration point in the kit was derived from XYZ’s own tarmac rally competition programme, giving buyers a setup baseline rooted in competitive use on sealed-stage events rather than adapted from circuit data.

What this coilover does for your 2013-2019 Porsche 991 GT3 (without Hydraulic Lift System)

On tarmac stages, the GT3’s rear-engine mass distribution becomes an asset or a liability depending on how the chassis handles compression and rebound over crests. Dampers that cannot absorb the impact of sharp surface transitions will cause the rear axle to unload at precisely the wrong moment – a particular concern when the GT3’s inherent rear balance is already committed under load. These units are valved to suppress that body movement and keep tyre contact pressure consistent across surface changes. On the front, where the double-wishbone geometry can transmit edge loading directly through the damper, the construction handles big bump inputs without the rebound spike that would disturb steering feel in fast, mid-corner ripples.

About the Tarmac Rally coilover

The Tarmac Rally is XYZ Racing’s sealed-stage competition coilover, and the specification begins with what that use actually demands rather than what a circuit programme would suggest. The central function is traction: on uneven tarmac at competitive speeds, consistent tyre contact load matters more than raw grip levels, and the damper valving is built around that priority. The kit absorbs sharp, high-energy bump inputs and manages body movement independently – suppressing the shock transfer that would otherwise disturb the 991’s rear weight bias mid-corner. Construction is designed for the repetitive, varied impacts of stage conditions; the calibration draws directly from XYZ’s own tarmac rally racing experience, not from theoretical modelling. The result is a damper that arrives with a competition-derived setup baseline rather than a road-car compromise.

Fitment for the Porsche 991 GT3 (without Hydraulic Lift System) (2013-2019)

This kit fits the Porsche 991 GT3 under chassis code PO17, covering 2013 to 2019 – specifically the variant built without Porsche’s optional hydraulic front-axle lift system. The lift mechanism, when fitted, alters the front subframe arrangement and the space available around the front strut assemblies; verify your car’s build spec before ordering to confirm the correct fitment.

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Build yours below and select the specification that matches your 991 GT3’s configuration.