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Street Advanced

XYZ Racing Street Advanced Coilovers — Mazda 323 BF (GTX) 4WD 1987-1989

SKU: GTX-SA

  • IncludesFull set of 4 (front + rear)
  • Spring rate (F/R)16 / 3 kg/mm
  • Top mountPillow ball + rubber / Hardened rubber
  • Lead time10–15 working days

Fits Mazda 323 BF (GTX) 4WD (1987-1989) chassis GTX

Front spring rate (kg/mm)

16 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 16 kg/mm. A custom rate on this axle adds £80.00.

Rear spring rate (kg/mm)

3 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 3 kg/mm. A custom rate on this axle adds £80.00.

Configured price£1,990.00Inc. VAT

Lead time: 10–15 working days from payment


£1,990.00

Made to order. Full payment is taken at checkout. Production begins once payment is confirmed.

Pay by card, Apple Pay, Google Pay — or Klarna on eligible orders.

XYZ Racing Street Advanced Coilovers — Mazda 323 BF (GTX) 4WD 1987-1989

The 323 BF GTX is the homologation oddity nobody talks about – a 1.6 turbo all-wheel-drive hatchback Mazda built to chase Group A rally entries, and nearly forty years on, the surviving cars are running on suspension bushings and dampers that left the factory before most of their current owners had a driving licence. The XYZ Racing Street Advanced coilover is the sensible answer: a height-adjustable, damping-adjustable kit that gives the GTX back the body control it had when it was new, with the spring rates and ride height you actually want for fast-road use in 2026.

This is the road-biased option in the XYZ range. It assumes you still drive the car, still want it to soak up a B-road, and still want the boost-on rotation that made the BF GTX worth keeping in the first place.

What this coilover does for your 1987-1989 Mazda 323 BF (GTX) 4WD

Worn-out factory struts on a 4WD GTX show up first in two places: the front end washes wide when you load it up on a damp roundabout, and the back end gets skippy over mid-corner bumps because the rear can no longer keep the contact patch settled. The Street Advanced kit addresses both. The 30-way damping adjuster lets you firm the rears up to match how planted the AWD driveline wants the back axle to feel, while keeping the fronts soft enough to ride properly on UK secondary roads. Ride height is independently adjustable on spring perch and lower bracket, so you can drop the car for stance without losing shock stroke – the detail that ruins most cheap coilover kits on short-wheelbase hatches like this one.

About the Street Advanced coilover

Street Advanced is XYZ Racing’s fast-road specification: a monotube damper with 30 clicks of combined bump-and-rebound adjustment, paired with linear springs chosen to keep the car compliant rather than skittish. The damper bodies are pillowball-topped at the front where the strut geometry allows, with rubber-isolated rears to preserve some of the road manners the original car had. Spring rates sit in the fast-road window rather than the circuit window, which matters on a chassis as light as the BF – over-springing a 1,050kg car turns it into a pogo stick. Build quality is the usual XYZ standard: hardened steel bodies, stainless lower brackets to fight UK winter salt, and rebuildable internals if you put serious miles on the car.

Fitment for the Mazda 323 BF (GTX) 4WD (1987-1989)

This kit is built specifically for the BF-platform GTX with the 4WD driveline, chassis code GTX, model years 1987 through 1989. It accounts for the unique front strut top geometry and the rear shock mounting on the AWD car, which differs from the front-wheel-drive BF variants – do not confuse this kit with a standard 323 BF application.

What buyers also search for

  • Mazda 323 GTX coilover upgrade for fast-road and occasional track use
  • 323 BF 4WD suspension replacement when factory struts are tired
  • height-adjustable coilovers for Group A homologation Mazda hatches
  • damping-adjustable kit for 1980s 4WD turbo rally hatchbacks
  • restoration-grade suspension for the BF GTX without going full circuit spec

Configure your spring rates and ride height below, then add to basket.

This is the most popular and functional product, which is developed for years by XYZ professional team.
After tested in famous worldwide races, it reaches the ultimate quality and performance.
Street Advance is made especially for normal road use or track day. It comes with 720 damping adjusting way to satisfy your request. It is indispensable equipment for drivers aspiring speed and controlling.

Top mounts included with your kit

Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.

  • Pillow ball + rubber top mountPillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.
  • Hardened rubber top mountHardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.
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