XYZ Racing Pro Rally Coilovers — Audi TT 8J φ55 (Modified Rear Integrated) 2006-2014

A rally-prepped Audi TT 8J with its rear end already modified for an integrated shock mount is a different car to the road-going TT it started as, and this Pro Rally coilover is built specifically around that difference. Where a fast-road or track kit is tuned around flat, grippy asphalt, rally use means sustained travel over broken, unpredictable ground – gravel washouts, snow ruts, compressions you can’t see coming. The φ55mm shock body gives the damper the oil volume and heat capacity a long special stage demands, on a platform that was never engineered with any of that in mind.

This is the professional-specification version of XYZ Racing’s rally coilover, built for a TT 8J that’s already had the rear structure modified to accept an integrated shock mount rather than the standard bolt-in perch. It’s aimed at a car being built for competition, not a fast-road upgrade borrowing rally language.

What this coilover does for your 2006-2014 Audi TT

Once fitted, the extended stroke changes how the TT 8J deals with compressions, crests and rutted surfaces at speed – instead of a standard strut topping or bottoming out over a rally-spec jump, the Pro Rally’s longer travel keeps the wheel loaded and in contact with the ground for longer. The φ55mm shock body gives the unit more fluid to work with, which matters once a stage runs long enough to heat-soak a standard-diameter damper. Ride height and preload are both adjustable at the perch, so you can set the TT 8J’s stance and corner weighting per event – deeper travel for snow and loose gravel, tighter for a fast, hard-packed stage. The rear-integrated mount, once the bodywork modification is done, ties the shock into reinforced structure rather than the stock top-mount point, which keeps geometry consistent under the repeated hard hits a competition car absorbs.

About the Pro Rally coilover

XYZ Racing splits its rally-specification coilovers into two build categories. There’s an amateur-grade option that bolts straight into the original chassis mounting points, no bodywork changes required, and there’s this professional-grade version, built for cars where the rear end has already been modified to accept an integrated mount. That second category, which is what this kit is, targets cars being prepared for serious competition rather than a weekend club rally – the sort of build where the rear structure has already been reinforced and adapted specifically to house the shock. The trade-off for that extra integration is a mount that’s stiffer, better located, and able to take stage-after-stage loading without the fatigue you’d see at a standard bolt-in point. On the Audi TT 8J, that means the rear suspension pickup is built for repeated abuse rather than road use.

Fitment for the Audi TT (2006-2014)

This Pro Rally kit fits the Audi TT 8J built 2006 to 2014, model reference AU40-1, in the φ55mm shock body, modified-rear-integrated configuration. Confirm your car’s rear end has already had the integration modification carried out before ordering, since this is the professional variant, not the bolt-in amateur kit.

What buyers also search for

• Audi TT 8J rally coilover for gravel and snow stage competition
• Audi TT 8J 2006-2014 suspension for a modified, rear-integrated rally build
• Pro Rally φ55 damping built for sustained stage mileage on the TT 8J
• Audi TT competition coilover with adjustable ride height and preload settings
• Audi TT 8J AU40-1 coilover kit for cars already modified for rally competition

Confirm your rear-end modification is complete, then pick your ride height and preload settings for the TT 8J below.