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Racing Spec

XYZ Racing Racing Spec Coilovers — Infiniti M35 / M45 Y50 FUGA 2WD (Modified Rear Integrated) 2004-2009

SKU: IN08-RS

  • IncludesFull set of 4 (front + rear)
  • Spring rate (F/R)22 / 12 kg/mm
  • Top mountAluminium
  • Lead time10–15 working days

Fits Infiniti M35 / M45 Y50 FUGA 2WD (Modified Rear Integrated) (2004-2009) chassis IN08

Front spring rate (kg/mm)

22 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 22 kg/mm. A custom rate on this axle adds £80.00.

Rear spring rate (kg/mm)

12 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 12 kg/mm. A custom rate on this axle adds £80.00.

Configured price£1,690.00Inc. VAT

Lead time: 10–15 working days from payment


£1,690.00

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 Racing Spec Coilovers — Infiniti M35 / M45 Y50 FUGA 2WD (Modified Rear Integrated) 2004-2009

The Y50 Infiniti M35 and M45 – badged Fuga in its home Japanese market – carries real weight over a long wheelbase, and that mass makes itself known the moment you load the outside dampers hard through a fast corner. XYZ Racing’s Racing Spec coilover for this two-wheel-drive Fuga chassis is built for owners pushing the car into genuine track and time-attack sessions, where a standard-issue strut gives up long before the tyres do.

This is the coilover for the M35/M45 owner who has already committed to circuit use rather than a show stance. It’s specified for the 2WD variant with the modified rear-end integration this fitment requires, so the rear geometry stays correct on a car that has already been set up for serious driving rather than left in factory trim.

What this coilover does for your 2004-2009 Infiniti M35 / M45 Y50 FUGA 2WD (Modified Rr Integrated)

A car of this size and weight needs its dampers doing real work under braking and mid-corner load, not just holding a lowered ride height. The Racing Spec kit gives you full ride-height adjustment to correct the M35/M45’s stance and centre of gravity for circuit driving, and damping control firm enough to keep the body settled as weight shifts onto the outside front wheel under trail braking. On a heavy rear-drive saloon like the Y50, that control is what stops the back end feeling loose as you get back on the throttle out of slower corners. The result on your Fuga is a car that changes direction with less lag between input and response, and holds its line through a fast sweeper instead of wallowing on its factory bushes and springs.

About the Racing Spec coilover

XYZ Racing built the Racing Spec range specifically for circuit racing, and the base valving isn’t a desk exercise – it comes out of direct involvement in touring car racing, including WTCC competition, where damper behaviour gets tested under conditions a road car never sees. For the M35/M45 owner running a heavily modified car – a factory-style racing build or an A-class competition car – XYZ Racing also offers a bespoke shock absorber service: send over what’s already been changed on the car and which circuit you’re running, and they’ll build dampers specced around that exact combination rather than a generic off-the-shelf valving curve. It’s the same thinking applied down to a two-wheel-drive Y50 platform, so the settings that come off a WTCC programme inform what you’re bolting to a Fuga.

Fitment for the Infiniti M35 / M45 Y50 FUGA 2WD (Modified Rr Integrated) (2004-2009)

This kit is built for the Y50-chassis (IN08) Infiniti M35 and M45, sold as the Fuga in Japan, across the 2004 to 2009 model years. It’s specified for two-wheel-drive cars with the modified rear-end integration noted in the fitment name, so confirm your car matches that rear-end configuration before ordering.

What buyers also search for

  • Infiniti M35 M45 suspension upgrade for track and time-attack days
  • Y50 Fuga coilover kit for a heavy rear-drive saloon on circuit
  • Infiniti M35 Racing Spec damping built from touring car race data
  • Custom coilover options for a modified Infiniti M45 track car

Pick your ride height and damping spec for the M35/M45 Racing Spec kit and configure yours below.

Racing Spec damper is specially made for track race, and all settings have been obtained from direct participation in racing event such as WTCC. In some circumstances, particular custom-made shock absorbers are available for those cars that have aggressive upgrades like factory’s racing vehicles or A-class racing cars etc…You may provide us with detailed info on all upgraded parts in your car and what circuit you will run, and we are able to make custom shock absorbers for your personal car.

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.

  • Aluminium top mountAluminiumAAluminium upper mount — a stiff, lightweight housing that locates the damper precisely and resists flex under load.
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