About This Nissan 350Z Touring 2005 Build
We love featuring real builds from real owners. This Nissan 350Z Touring 2005 sits on a set of 18×9.5 / 18×10.5-inch Cosmis Racing S1 wheels, and the result speaks for itself.
The owner chose Cosmis Racing for a reason. This brand delivers serious quality and a design language that turns heads at every car meet. We see hundreds of Nissan 350Z Touring builds come through WheelFront every month, but this one stands out. The combination of the exterior with the Cosmis Racing S1 creates a look that balances aggression with elegance.

Fitment Breakdown: Cosmis Racing S1 on the Nissan 350Z Touring 2005
I walked up to this Z at the track last weekend and honestly, the fitment stopped me dead in my tracks. You are looking at an 18x9.5 front and an 18x10.5 rear setup that absolutely dominates the wheel wells. The 15 offset up front and 5 in the rear pushes these wheels right out to the edge of the fender.
That 5 offset on the rear 10.5-inch barrel is aggressive. It gives you that massive deep dish look that every Z owner dreams of having. You get plenty of clearance for the factory Brembo calipers, too. The spoke design on these Cosmis S1s curves just enough to clear the hardware without needing extra spacers.
The hub bore fits perfectly on the Nissan chassis, so you avoid those annoying vibrations at highway speeds. Since the owner dialed in these coilovers, the wheel sits flush with the fender line. It creates a killer stance that looks purposeful rather than just slammed for show.
You have to watch your fender clearance if you go this wide, though. The front 9.5 setup might rub the plastic liner if you hit a big dip while steering hard. I suggest a slight roll on the front fenders just to be safe. It keeps your paint from chipping when the suspension compresses.

The rear fitment is tight but it works because of the coilover stiffness. The 10.5 width means you need a decent tire to get any grip. Without a roll, you might touch the bumper tab under heavy load. A quick trim of that tab solves the problem for good.
The barrel lip depth on the rear is the real highlight here. It makes the car look wider and lower than it actually is. You can see the quality in how the wheel tucks just behind the fender lip. It is the perfect balance of form and function.
What We Recommend for Nissan 350Z Touring 2005 Owners
If you want this look, start with the 18-inch diameter. It is the sweet spot for the 350Z because it leaves enough room for tires without looking like a wagon wheel. Avoid 19s if you plan on tracking the car seriously. Stick to 18s to keep the unsprung weight down.
I always tell guys to run a staggered setup on the Z platform. You want that extra width in the back to put the power down. Running a 9.5 and 10.5 combo keeps the car balanced through the corners. It avoids the twitchy handling you get from running square setups.

Offset is where most people screw up their build. Do not go higher than a 20 offset if you want that flush look. Keeping your offset between 5 and 15 ensures you do not need ugly spacers. Spacers just add unnecessary stress to your wheel studs.
Tire choice matters just as much as the wheel itself. I recommend a 245 or 255 up front and a 275 in the rear. A slight stretch helps if you are worried about rubbing on the fenders. You want the tire to support the rim lip during hard cornering.
Do not be afraid to roll your fenders if you want to go low. It is a small price to pay for perfect fitment. A clean roll is invisible and keeps your expensive wheels safe. Just take your time with a heat gun to save the factory paint.
Style and Build Analysis
The black finish on these Cosmis S1 wheels changes the whole personality of the 350Z. It hides the brake dust and gives the car a sinister, dark aesthetic. The contrast against the body paint looks sharp and aggressive. It makes the Z look like a proper street fighter.

These wheels look like they belong on a drift car, which fits the Z perfectly. The six-spoke design is classic but the deep dish adds a modern edge. It highlights the muscular lines of the rear quarter panels. You can tell this car means business from fifty yards away.
Proportions are everything when you modify a Z. The 10.5 rear wheel makes the back end look beefy and ready for launch. It eliminates that awkward tucked-in look that the factory wheels suffer from. The car looks like it is glued to the tarmac.
I have seen hundreds of 350Z builds, but this one hits the mark. Many guys go too wide and ruin the handling with massive scrub radius. This setup stays true to the car's roots while upgrading the visuals. It is a masterclass in how to mod a Z.
The dark theme continues throughout the whole build. It avoids the flashy chrome look that often ages poorly on this generation. Everything feels intentional and cohesive. It is exactly how I would build my own Z if I started from scratch.
Why We Love This Build
This Nissan 350Z is everything a tuner car should be. The black Cosmis S1 wheels catch the light and emphasize the aggressive geometry of the fenders. It looks just as home on a race track as it does parked at a local meet. The way the tires square off against the wheel lips shows the owner cares about the details.
We love this car because it feels raw and honest. There is no fake plastic or unnecessary flair, just a clean platform done right. It proves that a set of high-quality wheels and a dialed-in suspension transform the entire driving experience. This is the gold standard for 350Z fitment. Go get yourself a set and drive it hard.

Full Specs Breakdown
Here is exactly what this owner is running. We break down every detail so you can replicate this build or use it as a starting point for your own setup.
- Car Make & Model: Nissan 350Z Touring 2005
- Vehicle Color:
- Wheel Brand & Model: Cosmis Racing S1
- Wheel Size: 18×9.5 / 18×10.5
- Offset: 15 / 5
- Wheel Finish: Black
- Tires: Triangle Sportex 225/40 25.1″x8.9″ / 235/40 25.4″x9.3″
- Suspension: Coilovers
Before You Buy: Fitment Checklist

We talk to Nissan 350Z Touring owners every day. These are the questions we hear most before they pull the trigger on new wheels.
Will 18×9.5 / 18×10.5-inch wheels fit my Nissan 350Z Touring? Yes, but fitment depends on width, offset, and tire size working together. A wrong offset means rubbing. A wrong tire size means poor handling. Always verify all three.
Do I need to modify my fenders? That depends on your offset and suspension. A conservative offset with stock ride height usually fits without modification. Go aggressive and you may need to roll or pull your fenders.
Can I daily-drive this setup? Absolutely. Thousands of Nissan 350Z Touring owners run 18×9.5 / 18×10.5-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.



