XYZ Racing Circuit Master Coilovers — Nissan ALTIMA U13 4WD 1993-1997

The U13 Altima’s 4WD layout put extra hardware and weight over the front axle compared to the front-drive version sold elsewhere, and that changes how the chassis loads up mid-corner. Circuit Master coilovers are XYZ Racing’s dedicated sustained-lap-time platform, built to keep that front end settled through repeated heat cycles rather than degrading after a handful of hot laps.

For a U13 Altima 4WD heading onto a circuit day, the priority isn’t a single fast lap, it’s holding the same line and the same damper response on lap fifteen as on lap one. That’s the specific problem this range is built to solve.

What this coilover does for your 1993-1997 Nissan ALTIMA U13 4WD

With 9720 combinations available across the three external adjustment knobs, you can set compression and rebound independently to suit the 4WD Altima’s front-heavy weight transfer under braking and the added unsprung mass at each corner. Circuit work punishes suspension that isn’t built to shrug off sustained heat, and the monotube-style damper architecture behind Circuit Master is aimed squarely at that scenario rather than a single quick blast. On a car carrying 4WD hardware, ride height and damping control both need to be dialled to compensate for the extra mass low in the chassis, and this range gives you the range of adjustment to do that without resorting to compromises meant for a lighter front-drive setup. Expect more consistent turn-in through session three than you’d get from a fixed-rate setup, because the damping doesn’t fade the way OE-spec parts do once they’ve heated up. The adjustment range also means you can back the compression off for road use between track outings without swapping components.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ Racing’s range-topping options, developed and run by XYZ’s own racing teams across circuits internationally rather than designed on paper alone. That competition use is where the 9720-way adjustment figure comes from – three knobs, each controlling a distinct part of the damping curve, giving genuinely fine-grained control rather than a handful of coarse steps. The knobs sit on small-bore oil passages by design; when you’re driving over bumps rather than smooth track surface, you may hear a faint noise from oil moving through those passages. That’s a function of how the valving is built for precision damping control, not a fault, and it isn’t something to be concerned about when the car’s being used as intended, on circuit tarmac. The range is aimed at drivers who are entering the car in competitive events – track days, time attack, and similar disciplines – where consistent damping across a full session matters more than outright softness for comfort. Construction and valving are built around that repeat-use case rather than a single quick outing.

Fitment for the Nissan ALTIMA U13 4WD (1993-1997)

This kit is built for the Nissan Altima U13 in 4WD configuration, chassis code NI11, covering model years 1993 to 1997. Confirm your car matches the U13 4WD variant specifically, since damping and spring rates are set for the extra weight and hardware that drivetrain brings over the front-drive version.

What buyers also search for

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Spec your damping and ride height for the U13 4WD’s weight distribution, then configure yours below.