Hundreds Of Products Ready Today. Dispatch/Collection The Sparco Grid-Q FIA Bucket Seat, A Perfect Match for the Nissan 350Z
The Nissan 350Z is a modern classic, loved for its powerful V6 engine, rear-wheel-drive balance, and aggressive styling. Whether you’re carving through B-roads or setting personal bests on track, it’s a car that thrives when driven hard. But like many performance coupes from its era, one area that leaves room for improvement is the seating. The factory seats are fine for daily driving, but they fall short when it comes to serious track work or spirited cornering. That’s where the Sparco Grid-Q comes into play.
Swapping out the OEM seats for a bucket seat like the Grid-Q transforms the driving experience. You sit lower, feel more locked in, and get better feedback from the car. It’s a seat that complements the 350Z’s performance character while preparing it for more serious use. And thanks to its perfect fit with the car’s interior, the Grid-Q offers all the benefits of a full FIA-approved motorsport seat without the headaches of custom fitting. For anyone taking their 350Z to the next level, this is a go-to upgrade.
Why Upgrade to the Sparco Grid-Q?
Factory seats in the 350Z are designed to balance comfort and general usability, but they tend to fall short in spirited driving or heavy cornering. You slide around more, and you never quite feel locked in. The Sparco Grid-Q changes that.
FIA-approved for motorsport, it offers the kind of lateral support and security that transforms how the car feels on the road and track. Whether you’re carving through corners or chasing lap times, a properly mounted bucket seat gives you more feedback, more confidence, and a far stronger connection to the car.
Why Upgrade to the Sparco Grid-Q?
Upgrading to the Sparco Grid-Q in your Nissan 350Z brings far more than just a visual change. The difference lies in how the seat transforms your connection to the car. The Grid-Q is designed with motorsport in mind, offering a firmer, more secure seating position that dramatically improves your confidence and control behind the wheel. Unlike factory seats, which tend to be built around comfort and cost, the Grid-Q is purpose-built to lock you into place, keeping you planted through heavy braking, sharp cornering, and quick transitions.
With its deep side bolsters and aggressive shoulder support, the Grid-Q removes unwanted body movement entirely. This is a huge benefit whether you’re attacking a track day or just pushing hard on your favourite back roads. It reduces fatigue, enhances feedback, and lets you focus on your driving rather than bracing yourself in every bend. It’s also fully HANS-compatible and FIA-approved, making it ideal for drivers progressing into competitive motorsport.
And for 350Z owners specifically, the Grid-Q fits brilliantly inside the cabin. There’s no need for interior trimming or compromise on comfort. Whether you’re building a dedicated track car or simply upgrading for occasional events and spirited drives, the Sparco Grid-Q is one of the most effective upgrades you can make for improving feel, safety, and performance.
Spotlight on the Sparco Grid-Q
The Grid-Q is a high-performance fibreglass seat with motorsport pedigree. It weighs just 6 to 7kg, making it a significant upgrade for anyone chasing performance and weight savings. The seat is designed for 6-point harnesses and features high-side bolsters to keep you planted even under hard braking or quick transitions.
Its standout feature is its modular padding system. With Velcro-attached pads, you can easily adjust the internal cushions to better suit your body shape or change the driving feel. This is perfect for shared cars or drivers who want more fine-tuned comfort without compromising support.
Key Features:
- FIA 8855-1999 homologated
- Modular Velcro cushion padding
- Lightweight fibreglass shell (6–7kg)
- 6-point harness compatibility
- Wrap-around shoulder support
- High-side thigh bolsters
- Side-mounted design
Dimensions and Fitment in the 350Z
The Sparco Grid-Q is known for its bold design and aggressive support, but that doesn’t come at the cost of interior compatibility. Despite its wrap-around shoulder supports and deep bolstering, the seat has a compact footprint that makes it a perfect match for the Nissan 350Z. Thanks to the car’s relatively generous cockpit width, the Grid-Q fits neatly without clashing with the door cards, B-pillars, or centre tunnel, which can be a problem in tighter vehicles.
That said, the seat’s shoulder wings are on the wider side, so it’s always important to double-check measurements if your interior has been modified. In a factory 350Z, though, there are no issues with clearance, even when pairing the Grid-Q with harnesses and a roll bar. It leaves enough room for comfortable positioning and movement while still hugging the driver securely through every corner.
Key Dimensions:
- Shoulder Width: 590mm
- External Base Width: 420mm
- Total Height: 930mm
- Depth: 570mm
- Weight: 6–7kg, depending on trim
If you’re looking for a full-competition seat that doesn’t require trimming your interior or compromising on fit, the Sparco Grid-Q is one of the most reliable choices you can make for your 350Z.
Explore the Sparco Grid-Q Range
We stock the full Sparco Grid-Q seat lineup at GSM Performance. Whether you’re after the FIA-approved version for competitive use, or a non-homologated version for track days, road driving, or even simulator setups, there’s an option available.
Choose from various trim materials including traditional velour or wipe-clean vinyl, depending on your use case. No matter the build, the Grid-Q delivers that same strong, supportive design across the range.
Installation for the Nissan 350Z
For an easy and reliable installation, we recommend the M2 Motorsport fitting kit. It includes:
- Vehicle-specific floor mounts for the Nissan 350Z
- A sliding runner kit
- Side mounts compatible with the Sparco Grid-Q
This full kit allows for direct installation with no extra fabrication. The sliding runners make the seat adjustable, ideal for road and casual track day use.
If you’re aiming for a motorsport-focused setup, we also offer OMP seat frames designed for fixed side-mount fitment. These frames don’t include a seat belt bracket and are more suited to full harness systems. They’re best used with racing bucket seats where adjustment isn’t needed between sessions.
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From £120.50 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page
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From £105.00 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page
Summary – Why the Sparco Grid-Q Is a Smart Choice for Your 350Z
If you’re serious about performance driving in your Nissan 350Z, upgrading to a Sparco Grid-Q seat is one of the most impactful changes you can make. It’s a lightweight, FIA-approved seat that locks you in and sharpens your connection to the car. And with the M2 Motorsport fitment kit, installation is clean and straightforward.
This setup hits the sweet spot between performance, safety, and everyday usability. Whether you’re building a weekend warrior or a dedicated track machine, this combo won’t let you down.