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Totim make one thing: seat inserts, the moulded pads that make a fixed competition seat fit one specific driver. What makes them worth a page of their own is the material. Where everybody else uses expanded beads and resin, Totim use a two part polyurethane foam in a fireproof bag, which turns an afternoon job into about an hour.
Two plain padding sizes and four kits sized by discipline. All FIA 3795:1992, which is the insert standard and not a seat approval.
Fixed seat, changing driver
In most competition cars above club level the seat is bolted straight to the chassis and does not move. There are no runners and there is no recline. The car is set up around a driving position and the driver has to fit it.
The insert is how that happens. You sit in the seat with the kit behind you while it cures, and it takes the shape of you against the shell. The result holds you in place far better than foam padding does, because it is negative space rather than cushioning.
If your seat is on runners in a road car or a trackday car, you almost certainly do not want one. Adjust the seat instead.
Two materials sit separated inside a fireproof bag. Pressure on the bag mixes them and starts the activator.
Polyurethane, expanding up to 25 times its initial volume, filling the space between you and the shell.
Solidification. You stay in the seat for this part, which is why you want someone with you.
Usable. The old bead and resin method is measured in half days rather than hours.
FIA 3795:1992 is not a seat approval
Worth being clear about this because the two get mixed up.
01FIA 3795:1992
The seat insert standard. It covers the insert material and how it behaves in a fire. Every Totim product carries it.
02FIA 8855-1999
The seat standard. Nothing to do with the insert. Your shell needs its own homologation and an in date label regardless of what you put inside it.
Putting an approved insert into an out of date seat does not make the seat legal. Check your championship regulations for both.
Four questions
Worth working through before you buy, because a kit is single use.
Is your seat actually fixed?
Inserts belong in cars where the seat is bolted to the chassis and cannot be adjusted. If your seat is on runners you can move it, and you almost certainly want to do that instead. This is the question that saves people the most money.
What is the cockpit?
The kit sizes map to disciplines. GT, Touring and LMP take the 100x90cm or the 120x90cm. LMP and Formula take the 140x100cm, and the dedicated Formula size is 100x85cm. Pick on the car first, because a kit that runs short cannot be topped up mid cure.
How big is the driver?
Several kits then carry a second option, Large/Medium, Medium/Small or Small Drivers. That sets how much foam is in the pack, because a smaller driver in the same cockpit leaves more space to fill. This one is picked on the person.
Are you set up to do it?
The reaction starts the moment you squeeze the bag and there is no pausing it. Seat mounted where it will live, wearing what you drive in including helmet and any head and neck restraint, someone with you, and twenty minutes of sitting still. Sort all of that before you break the seal.
It is a single use item and there is no second attempt in the box. The half hour you spend getting the driving position right beforehand is the cheapest half hour of the job.
Cameron, GSM PerformanceBy car first, then by driver
| Kit | Size | Suits | Price |
|---|---|---|---|
| Padding | 60 x 50cm | topping up or a partial insert | £180 |
| Padding | 90 x 50cm | topping up or a partial insert | £215 |
| Insert kit | 100 x 90cm | GT, Touring, LMP | £240 |
| Insert kit | 120 x 90cm | GT, Touring, LMP | £260 |
| Insert kit | 140 x 100cm | LMP, Formula | £350 |
| Insert kit | 100 x 85cm | Formula | £360 |
The dimensions are the coverage the kit gives, so pick on the cockpit. Several kits then carry a second option for driver size, Large/Medium, Medium/Small or Small, which sets how much foam is in the pack. A smaller driver in the same car displaces less of it, so that option is picked on the person rather than the car.
The two most ordered sizes
The 100x90cm at £240 and the 120x90cm at £260. Between them these cover most closed cockpit competition cars. The 120 is the one to take if you are unsure, because a kit that is slightly generous is recoverable and one that runs short is not.
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From £240.00 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page
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From £260.00 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page
The single seater sizes
The 140x100cm at £350 covers LMP and Formula, and the 100x85cm at £360 is the dedicated Formula size. Note the smaller one is the dearer of the two, which is a function of the kit contents rather than the coverage.
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From £350.00 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page
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From £360.00 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page
For topping up
Two plain padding sizes at £180 and £215, for a partial insert or for adding to an existing one rather than moulding a whole seat. If you are doing a full insert from scratch, you want one of the kits above instead.
The ones we get asked
What is a seat insert?▾
A moulded pad that takes the shape of your body inside a competition seat. You sit in the seat with the kit behind you while it cures, so the finished insert fits you and nobody else. It is standard practice in GT, LMP and single seater racing where the seat is fixed and the driver changes.
What does FIA 3795:1992 mean?▾
It is the FIA standard for seat inserts, not for seats. Do not confuse it with FIA 8855-1999, which is the seat homologation. The insert standard covers the material and its fire behaviour. Your seat still needs its own approval.
How is Totim different from a normal insert kit?▾
The material. Traditional kits use expanded beads mixed with resin, which is messy and slow. Totim use a two part polyurethane foam inside a fireproof bag. You squeeze the bag to mix it, the activator expands the foam up to 25 times its volume, and it takes the shape of you and the seat.
How long does it take?▾
About 20 minutes to solidify and roughly an hour before you can use it. That is the practical advantage over beads and resin, which is an afternoon job.
Which size do I need?▾
It depends on the car more than the driver. The 100x90cm and 120x90cm kits are for GT, Touring and LMP cars. The 140x100cm is for LMP and Formula, and the 100x85cm is the Formula size. The two padding sizes at 60x50cm and 90x50cm are for topping up or for a partial insert.
There is a driver size option as well. What is that for?▾
Several kits list Large/Medium, Medium/Small or Small Drivers. It sets how much foam is in the kit, because a smaller driver in the same cockpit displaces less of it. Pick on the driver, not the car, for that option.
Can I redo it if I get it wrong?▾
Not with the same kit. Once the foam has expanded and cured it is set. Read the instructions through and have someone help you before you break the seal, because it is a one attempt job per kit.
Do I need one for a road or track day car?▾
Almost certainly not. Inserts belong in cars where the seat is fixed to the chassis and cannot be adjusted, which is competition machinery. If your seat is on runners in a road or track car, adjust the seat instead.
Not sure which kit size?
Tell us the car and the driver and we will work it out. Getting this wrong is expensive because a kit is a single use item.
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