XYZ Racing Circuit Master Coilovers — Nissan TEANA J31 6 CYL (Modified Rear Integrated) 2003-2008

The J31 Teana’s V6 puts real weight over the front axle, and the standard rear beam geometry on this modified Rr Integrated spec was never built with sustained lap work in mind. XYZ Racing’s Circuit Master coilover is the direct answer: a full damper and spring package built specifically for cars spending real time on a circuit, not just the odd spirited B-road run.

For the 6-cylinder J31, that means controlling body roll through faster direction changes without turning every ripple in the tarmac into a jolt through the cabin. This is the type built for drivers who want to set a car up once and trust it lap after the first, not fiddle with settings between every session.

What this coilover does for your 2003-2008 Nissan Teana

With 9720 combinations of damping adjustment available through the Circuit Master’s 3-knob control layout, you can set compression and rebound to match front-end grip against the rear’s modified integrated geometry rather than accepting a single compromise setting. That range matters on the heavier J31 body: firmer low-speed compression keeps the nose settled under trail-braking into slower corners, while rebound control stops the rear from pattering over kerbs at speed. Ride height comes down as part of the same adjustment, lowering the centre of gravity and tightening the car’s roll axis through faster corners. Because the whole system is one unit rather than separate spring and shock components, the spring rate and damping curve are matched from the factory, so dialling in one knob doesn’t undo the work of another.

About the Circuit Master coilover

XYZ Racing developed the Circuit Master line specifically for cars that see extended track time – the kind of use where a set of dampers has to hold its settings across a full session rather than just a couple of hot laps. It’s tested through XYZ’s own racing teams on circuits internationally, with development feedback fed back into the 3-knob, 9720-way adjustment range that lets a driver isolate compression, rebound and preload independently instead of hunting for one setting that does everything. The monotube-style construction and small-bore oil passage in the valving are built to keep damping consistent as oil temperature climbs over a session, rather than fading as many road-biased units do. On rougher circuit surfaces, that same small-passage design can produce a faint noise as oil moves through the valve under compression – this is a normal characteristic of the design, not a fault, and doesn’t affect how the damper performs on track. Every Circuit Master unit is built around this circuit-first brief rather than adapted from a road-comfort platform.

Fitment for the Nissan Teana (2003-2008)

This kit is built for the Nissan Teana J31, 6-cylinder engine, in the modified rear integrated configuration, covering the 2003 to 2008 model years under chassis code NI50. Confirm your Teana matches this 6-cylinder, modified Rr Integrated specification before ordering, as the standard rear setup uses a different kit.

What buyers also search for

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Built for the Teana J31’s specific rear geometry and V6 weight balance, the Circuit Master gives you a genuine circuit-spec starting point rather than a road kit stretched to cover track use – configure yours below.