XYZ Racing Racing Spec Coilovers — Nissan SKYLINE R34 BNR34 4WD (Rear EYE) 1999-2002

The BNR34’s ATTESA E-TS Pro continuously redistributes torque between axles mid-corner, which means any suspension change you make must account for a drivetrain that is actively rewriting the car’s handling balance in real time. Get the spring and damper rates wrong and you are working against the system rather than with it; the interplay between front axle load, rear drive force, and the 4WD’s torque vectoring is unforgiving at circuit pace.

For the Nissan Skyline R34 BNR34 4WD specifically, the XYZ Racing Racing Spec coilover is calibrated around serious circuit and time-attack use rather than a road-biased middle ground. The damping range was not derived from a dyno alone – the entire setting window was developed through direct competition participation, and that lineage is apparent in how the calibration handles the BNR34’s weight class and AWD torque loads.

What this coilover does for your 1999-2002 Nissan SKYLINE R34 BNR34 4WD

The BNR34 tips the scales at around 1,560kg in road trim – substantial mass for a circuit car, and mass that ATTESA E-TS Pro cannot fully mask in medium-speed corners where roll becomes the limiting factor. A Racing Spec fitment lowers the centre of gravity and replaces the factory damper calibration with one built for sustained circuit use. The rear eye-type mounting preserves correct geometry through suspension travel on the BNR34’s multi-link rear setup, maintaining camber control as the rear axle handles combined braking, cornering, and drive loads simultaneously. With a damping range derived directly from racing event data, you gain a tuning window wide enough to adapt to different track surfaces and configurations – the same setup that works at a tight, technical club circuit can be re-adjusted for a faster, smoother venue without starting from scratch.

About the Racing Spec coilover

XYZ Racing’s Racing Spec is the company’s dedicated track and time-attack damper line, and the calibration is not theoretical: the full adjustment range was developed from direct participation in competition including WTCC events, translating live race data into usable, owner-accessible settings. Where most sport-oriented coilover series are built for the broad centre of the market, the Racing Spec sits at the serious end of the range. XYZ Racing acknowledges that some BNR34 builds have moved well beyond standard specification – for cars with aggressive mechanical upgrades approaching factory racing vehicle levels, the company offers custom shock absorber builds as an option. Supply your complete upgraded parts list and the circuit you intend to run, and they can manufacture to that precise brief. That route is available, not compulsory; the standard Racing Spec is built to handle a well-modified BNR34 without bespoke intervention.

Fitment for the Nissan SKYLINE R34 BNR34 4WD (1999-2002)

This Racing Spec coilover (SKU XYZ-COIL-NI40-RS, chassis code NI40) is built for the Nissan Skyline R34 BNR34 in 4WD configuration with rear eye-type top mounting, covering the full 1999-2002 production run. The rear eye designation distinguishes this fitment from BNR34 variants using fork-type rear mounts – confirm your car’s rear suspension mounting hardware before ordering. If the build history includes any factory-replacement suspension components, cross-reference the year span and chassis code against your VIN.

What buyers also search for

• Nissan Skyline R34 BNR34 coilover upgrade for track day and time-attack use
• R34 GT-R adjustable coilovers with competition-derived damping calibration for circuit work
• BNR34 4WD coilover kit designed around ATTESA E-TS multi-link rear suspension geometry
• Nissan Skyline R34 racing coilovers with WTCC-developed damping settings, 1999-2002
• Nissan BNR34 rear eye-type coilover fitment, serious track and time-attack specification

Build your Racing Spec setup to the circuit brief below.