XYZ Racing Tarmac Rally Coilovers — Mazda MX-5 MIATA / ROADSTER 2005-2015

The NC-generation MX-5 sits awkwardly between its featherweight predecessors and the sharper ND that followed – heavier kerb weight, softer factory damping, and a chassis that rewards body-control upgrades more obviously than almost any other roadster on the road. The XYZ Racing Tarmac Rally coilover is built for owners pushing the MA25 platform on closed-road stages, tarmac sprints, and the kind of fast B-road work where the standard car runs out of damping authority halfway through a sequence of crests.

This isn’t a fast-road coilover with a gravel badge. The Tarmac Rally spec is geared toward stage-pace input – higher damping forces to control weight transfer over compressed corners, and a spring philosophy that keeps the NC’s nose planted under hard trail-braking without dialling out the throttle-adjustable balance that makes the car worth driving in the first place.

What this coilover does for your 2005-2015 Mazda MX-5 MIATA / ROADSTER

On an NC, factory damping starts to feel vague after a fast direction change is loaded back-to-back – the rear settles, then the front catches up, and mid-corner inputs arrive late. The Tarmac Rally coilover tightens that response so the car turns on the first input rather than the second. Front-end bite improves under braking, the rear stays loaded through transitions, and the body-roll the NC inherited from its softer brief gets pulled back into something you can lean on. Ride height is fully adjustable, so corner-weighting on a 1,100kg roadster becomes a real tuning lever rather than a fitter’s afterthought. Damping comes in 30 clicks – usable resolution for setting a stage car softer for cold tyres and stiffening it as the surface heats.

About the Tarmac Rally coilover

XYZ Racing’s Tarmac Rally series is a stage-focused damper running monotube construction with high-pressure nitrogen gas charging – the format chosen for sustained high-speed work where twin-tube oil shear becomes a real failure mode. Spring rates are matched to surface and pace rather than showroom feel, and the damper internals are valved to absorb high-frequency stage inputs without packing down on a long compression. Pillow-ball upper mounts replace the rubber bushings in the OEM top hat, giving the steering rack a more direct conversation with the front wheels. Camber adjustment is available through the front top mounts, letting you set negative camber to suit tyre choice and stage surface without resorting to camber arms.

Fitment for the Mazda MX-5 MIATA / ROADSTER (2005-2015)

This kit is the MA25-chassis NC roadster – the third-generation MX-5 sold in the UK between 2005 and 2015, covering both 1.8 and 2.0 cars and the Roadster Coupé folding hard-top. Fitment is direct replacement for the front double-wishbone / rear multi-link OEM suspension.

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Pick your spring rates and damping spec below and configure the kit to suit your event calendar.