Kart seats: how to choose, and what 17 UK shops charge
We compared 614 kart seats listings across 17 UK shops. The typical cheapest price is £89.08, and the same part number can cost up to 41% more depending on where you buy it.
UK edition2026-10-254 min readData: PitHunt weekly scan
Key takeaways
- 17 UK shops list 614 parts in this category; 27 part numbers are stocked by more than one shop.
- The typical cheapest price is £89.08; a tenth of parts cost £4.00 or less, a tenth £220.00 or more.
- Biggest gap for one part number: £106.96 on Tillett Plastic Heavy Duty Seat Fully Covered Black Karting.
- LMR Kart Store had the lowest listed price most often — 12 of the 27 part numbers stocked by several shops.
- Shops
- 17
- Listings
- 614
- Typical cheapest
- £89.08
- Biggest gap
- £106.96
- 41% on one part
What a seats does
The seat is the one part of a kart the driver is bolted to. A racing kart has no suspension, so the seat does two jobs at once: it holds the driver firmly enough to steer with the arms rather than the body, and it acts as a structural member that changes how the chassis flexes.
Because the driver is the heaviest single component, how the seat holds them — and how stiff the seat shell is — changes how much weight transfers to the outside front tyre in a corner and how readily the inside rear wheel lifts. Seat makers offer the same shape in several stiffness grades for that reason: the seat is a tuning part, not just a place to sit.
How to choose
1 · Fit
A driver who is loose in the seat pulls on the wheel to stay in place, which unsettles the kart and tires the arms.
How to judge it: Sit in it. There should be no gaps over the thigh bone, the hip bone, or down the length of the ribs. Jeans waist size, height and weight are the usual starting points, with chest size and the rib protector worn.
2 · Rigidity
Stiffness alters weight transfer and inside-wheel lift, so it affects grip and lap time.
How to judge it: Most modern full-size karts run one of the two grades softer than standard. Small-capacity minikarts generally use the softest grade; four-stroke karts are less sensitive and standard rigidity is usually acceptable.
3 · Shape and mounting
Seats differ in depth, shoulder width and mounting-hole pattern; the wrong one needs spacers and compromises position.
How to judge it: Check the seat's dimensions against the chassis maker's standard seat, and that the mounting points line up with the chassis seat stays.
Compatibility. The grade that works depends on the chassis, the engine's power and the driver's weight together, not on the seat alone. Check the chassis manufacturer's recommendation for your class before buying a grade that differs from it.
Types, and the trade-offs
| Type | For | Against | Best for |
|---|---|---|---|
| Soft rigidity | More grip from the chassis working; the usual choice in modern full-size classes. | Can feel vague on very grippy tracks or with heavy drivers. | Most two-stroke senior and junior karts. |
| Standard rigidity | Predictable; the baseline the chassis was designed around. | Less grip than a soft grade in many modern set-ups. | Four-stroke and lower-powered classes. |
| Softest grade | Maximum compliance for light drivers and small chassis. | Not suited to heavy drivers or powerful classes. | Small-capacity minikart classes. |
- Rigidity grade
- How much the shell flexes under cornering load. Softer grades let the chassis work more; stiffer grades hold it firmer.
- Matters when: Any time you change class, engine or driver weight — the grade that suited a cadet will not suit the same driver in a senior kart.
- Covered vs uncovered
- Some shells are supplied with a fitted cover or padding; others are bare fibreglass to be padded to the driver.
- Matters when: Comfort over a race day, and fine-tuning fit without changing seat size.
- Flat-bottom vs standard
- Flat-bottomed shells sit lower in the chassis.
- Matters when: Taller drivers, or chassis set-ups that call for a lower centre of gravity.
What it costs across UK shops
£4.00
a tenth cost this or less
£89.08
typical
£220.00
a tenth cost this or more
| Part | Cheapest | Range | Dearest | Gap |
|---|---|---|---|---|
| Tillett Plastic Heavy Duty Seat Fully Covered Black Karting cheapest at KKC Kart Components · 2 shops | £258.99 | £365.95 | £106.9641% | |
| Tillett T14 VG Flexibility Seat cheapest at KKC Kart Components · 2 shops | £199.99 | £282.95 | £82.9641% | |
| Tillett T11 VTI New Style Softest Flexible Rigidity cheapest at KKC Kart Components · 2 shops | £199.99 | £282.95 | £82.9641% | |
| Adult OTK Fiberglass Flat Bottom Seat 0037.FP cheapest at KKC Kart Components · 2 shops | £105.26 | £148.95 | £43.6942% | |
| Tillett T5T Kart Seat Medium Rigidity cheapest at KKC Kart Components · 2 shops | £177.95 | £216.95 | £39.0022% | |
| Freeline Seat Birel Art 40.9096.00 cheapest at KKC Kart Components · 2 shops | £77.96 | £110.95 | £32.9942% | |
| Tillett T11T New Style Medium Rigidity cheapest at ZipNorth · 2 shops | £150.99 | £175.95 | £24.9617% | |
| Seat Foam - Hip Padding cheapest at Precision Kart · 3 shops | £25.00 | £35.00 | £10.0040% | |
| Seat Foam - Back Padding cheapest at Precision Kart · 3 shops | £20.00 | £28.00 | £8.0040% | |
| Seat Foam - Rib Padding cheapest at Precision Kart · 3 shops | £20.00 | £28.00 | £8.0040% |
Same part number at every shop in the row. Parts listed at £10.00 or more; ranked by the gap in money, not percent.
Cheapest most often
Of the 27 part numbers stocked by more than one shop — a count of wins, not a verdict.
- LMR Kart Store12 of 27
- KKC Kart Components8 of 27
- Precision Kart3 of 27
- Motorsport Supplies2 of 27
- ZipNorth1 of 27
- Strawberry Racing1 of 27
What this covers
This is a snapshot of kart seats as listed by UK kart shops on 2026-10-25. PitHunt indexed 614 listings from 17 shops, covering 571 distinct part numbers. Of those, 27 are stocked by more than one shop, which is where a price comparison means something: the same manufacturer part number, different tills.
Prices are the shops' own listed prices in their own currency, captured by PitHunt's weekly scan. They are not quotes, they move, and the cheapest shop for one part is not the cheapest for every part. Each one links to the shop's own page so you can check before you buy.
The price range
Taking the cheapest listing for each part number, a tenth of them cost £4.00 or less, the middle of the range sits at £89.08, and a tenth cost £220.00 or more. The spread is wide because the category mixes small hardware with complete components, so the useful comparison is always like for like — the same part number across shops.
The widest gaps for the same part
The comparison ranks part numbers by the difference between shops in money, among parts listed at £10.00 or more — a big percentage on a tiny part is arithmetic, not a saving.
The largest gap in money is on Tillett Plastic Heavy Duty Seat Fully Covered Black Karting: £258.99 at KKC Kart Components against £365.95 at the dearest of its two shops — £106.96, or 41%, for the same part number. The full list is in the comparison table above, ranked the same way.
A gap like that is not a judgement on either shop. Listed prices reflect stock bought at different times, different suppliers, and whether a shop is clearing a line. What it tells you is simply that for this part number, on this date, checking a second shop was worth the minute it took.
Which shops were cheapest most often
Across the 27 part numbers stocked by more than one shop, LMR Kart Store had the lowest listed price for 12 of them, followed by KKC Kart Components with 8. That is a count of wins, not a verdict: a shop that is cheapest on the parts you actually need matters more than one that is cheapest on average.
The honest way to use this is the boring way. Find your exact part number, look at every shop that lists it, and let the number decide. Name the part, and PitHunt lines every shop up cheapest-first.
Before you buy — the checklist
Buying used, check
- ☐Look for cracks around every mounting hole and along the base — a seat that has had a hard hit can be cracked at the mounts and look fine elsewhere.
- ☐Check the holes are not elongated or re-drilled; a seat drilled for several chassis has lost stiffness where it matters.
- ☐Ask what class and driver weight it came from; the rigidity grade is usually moulded or labelled on the shell.
Mistakes to avoid
- ✕Buying a size up 'to grow into' — a loose seat hurts control more than a snug one hurts comfort.
- ✕Keeping the cadet-era seat when moving up a class; the rigidity that suited a light driver in a small kart is wrong for a bigger one.
- ✕Choosing by brand before checking the mounting pattern fits the chassis stays.
Questions
›Does seat stiffness really change lap times?
Yes. Seat makers discovered that stiffness affects weight transfer and inside-wheel lift, which is why the same shape is sold in several grades.
›Can one seat do junior and senior?
Usually not well. The driver's weight and the engine's power both change the grade that suits, so moving up a class normally means a different seat.
›Where do these prices come from?
From the shops' own websites, collected by PitHunt's weekly scan of UK kart retailers. Each figure is the price the shop listed on the date above, in the shop's own currency, before delivery.
›Why would the same part cost more at one shop?
Stock bought at different times, different supplier terms, and clearance decisions. None of that is visible from the price alone, which is why comparing the same part number across shops is the only fair comparison.
Sources for the buying advice
Reviewed 2026-10-25. Buying advice comes only from these sources; prices come only from PitHunt’s own scan.
How this was built
Every number on this page was computed from PitHunt’s weekly scan of kart shops’ own listed prices, in the shop’s own currency, captured on 2026-10-25. The text was then checked against that data: any figure not in it fails the article. Prices move after we scan them, and exclude delivery — always confirm on the shop’s page.