PRODUCT DETAILS
Sparco QRT-K Carbon Kevlar FIA Racing Seat - Large
Finding a genuine FIA competition seat that fits a larger driver without being a bulky, heavy unit is harder than it should be. The Sparco QRT-K solves exactly that. It's a carbon-kevlar seat built for a larger driver, up to a 36" waist, yet it still tucks into tight cockpits, and it's one of the lightest "large" seats on the market at 13 lbs fully trimmed. FIA approved, with an exposed yellow-and-black carbon-kevlar weave that looks the part. For a bigger driver who's been stuck between seats that don't fit and seats that don't fit the car, this is the one.
Built For A Larger Driver, Fits A Small Cockpit
This is the QRT-K's whole reason to exist, and it's a genuinely uncommon combination.
Most seats sized for a larger driver (up to a 36" waist here) are physically big, which means they don't fit well into a tight cockpit, exactly the problem a bigger driver in a smaller car runs into. Sparco designed the QRT-K specifically to break that compromise: it accommodates a larger driver but was engineered for excellent fitment into small cockpits.
So if you're a bigger driver who's been fighting to find a competition seat that both fits you and fits your car, this is the seat that does both. It's also designed with proper ergonomics and can be raked back (with the correct mounts) for a comfortable seating position, not just crammed in.
One Of The Lightest "Large" Seats Made
Weight matters in a race car, and this is where the carbon-kevlar earns its cost.
The shell alone is 10.5 lbs, and fully trimmed, with padding, cover, and harness guides, it's about 13 lbs. That makes it one of the lightest seats in the "large" size class on the market. For a competition car, every pound out of a high-mounted component like the seat matters, and getting a larger-driver seat this light is unusual.
The light weight comes from the construction: pre-preg aerospace-grade carbon-kevlar, made with Sparco's QRT process.
What QRT Is
The technology behind the seat, since it's what makes it this light and strong.
QRT is a patented process developed at Sparco's OEM Composite Laboratory in Italy, based on aerospace composite technology. It produces an exceptional strength-to-weight ratio, Sparco's QRT shells are among the lightest composite seat shells available, with up to a 30% total weight reduction versus traditional production methods. The visible carbon-kevlar weave isn't just for looks; it's the actual structural material showing through.
FIA Approved
The credential that matters for competition.
The QRT-K is FIA approved, which is required to run in most sanctioned wheel-to-wheel competition. A seat has to be FIA homologated to be legal in those series, so this is the box that has to be ticked for serious racing.
One thing to confirm before you commit for a season: FIA seat homologations run to a specific expiry date, after which the seat is no longer competition-legal even if it's unused. If you're buying for upcoming competition, verify the homologation is valid for the period you'll be racing, standard practice with any FIA seat.
Requires QRT Side Mounts
Important for the install, and it's a separate part.
The QRT-K requires Sparco's specific QRT side mounts (#600QRT), which are what allow the seat to be raked back into that comfortable, ergonomic position. Those mounts are sold separately, so budget for them with the seat, the QRT-K mounts to those specific side mounts, not universal brackets.
From there, the side mounts attach to your seat's sliders or mounting in the car, so a complete installation is the seat, the QRT side mounts, and whatever mounting your chassis uses.
The Details
- Size: Large, fits up to a 36" waist (pants size)
- Shell: pre-preg aerospace-grade carbon-kevlar (QRT process)
- Weight: 10.5 lbs shell only, ~13 lbs fully trimmed
- Finish: exposed yellow/black carbon-kevlar weave
- Fabric: fire-retardant, non-slip
- Homologation: FIA approved
- Requires: QRT side mounts (#600QRT), sold separately
If you're a larger driver looking for a genuine FIA competition seat that actually fits you and fits a tight cockpit, the QRT-K is a rare seat that does both, and does it at a weight that belongs in a race car. Carbon-kevlar construction, FIA approval, proper ergonomics with the right mounts. Confirm the homologation period for your season, add the QRT side mounts, and get a seat that finally fits.
Universal