How Do I Fit An OMP RT Into My Porsche Cayman 987?
Customer question, OMP RT in a Porsche Cayman 987
Cayman owners ask us how to fit an OMP RT, and the answer is a three part stack. The car end is the Planted Technology bracket for the Cayman 987. The middle is the OMP low profile steel side mounts and the top is the OMP RT seat.
Here is the whole setup, with the prices.
- The seat is the OMP RT in fibreglass, £707.96 inc VAT, approved to FIA 8855-1999
- The bracket is the Planted Technology Cayman 987 bracket, £222.60 inc VAT
- The side mounts are OMP low profile steel, £59.94 inc VAT for the pair
- One seat is £990.50 inc VAT and a pair of seats is £1,981.01 inc VAT
- A second option is the PCI Racing sliding sub frame, £330.00 inc VAT, which has its own side mounts and a built in slider
- Both frames are right hand drive, so pick driver side or passenger side
- The bracket is a special order from the USA and is not returnable, so we check it with you first
The setup, from the floor up
It is a simple stack. The Planted bracket sits on the car’s factory seat mounting points. The OMP side mounts bolt to the sides of the RT, and the seat and mounts then bolt to the bracket.
Planted list their SB017 bracket for the 996, Boxster, 997, Cayman and 991 together, because Porsche kept a common seat mounting arrangement across the water cooled cars. We list it under each model so a Cayman owner has a Cayman page to find. This one is the Cayman 987, built from 2005 to 2012.
Every bucket seat needs side mounts, and the RT is a side mount seat at 290mm lateral spacing. That is the common competition figure. The OMP mounts are the link between the seat and the Planted bracket.
Why the OMP RT
OMP describe the RT as street friendly, and that is the useful thing to know. It is a fixed back competition shell you can live with on the road, because the bolsters hold you without you having to climb over them. It is approved to FIA 8855-1999, HANS friendly, and takes 4 and 6 point harnesses.
OMP list it for drivers under 6ft with a 32 to 36 inch waist and it has no head support.
Garreth: Go for the fibreglass RT in a road Cayman. It is the sensible buy. It is £707.96 inc VAT.
Cameron: I would look at the carbon one if you track the car and count the weight. The carbon shell is around 5.2kg and the fibreglass is roughly twice that. That is five kilos out of a car you are trying to balance.
Garreth: That is fair, but the carbon is £1,655.53 inc VAT and both carry the same approval, so the fibreglass is where most people should start.
Cameron: Fine for a road car. If the Cayman is a dedicated track car, the weight argument gets stronger.
Garreth: Then it comes down to how you use it. Tell us and we will price both.
Cameron: And the two seats share the same FIA approval, so you give up nothing on safety either way.
The parts in this setup: the OMP RT, a seat on a frame, the Planted bracket and the OMP side mounts.
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What it costs
This is the setup we would quote, with every price including VAT.
| Part, all inc VAT | For one seat | For a pair of seats |
|---|---|---|
| OMP RT bucket seat, fibreglass | £707.96 | £1,415.93 (the 2 seats listing) |
| Planted Technology Cayman 987 bracket. Choose driver or passenger side. | £222.60 | £445.20 |
| OMP low profile steel side mounts, one pair per seat | £59.94 | £119.88 |
| Seat, bracket and side mounts together | £990.50 | £1,981.01 |
The second option: a PCI Racing sliding sub frame. PCI Racing make a sliding sub frame for the Boxster 987, and the Cayman shares the Boxster’s cabin. It is a complete kit with its own side mounts, so the RT bolts straight to it and you do not need the OMP side mounts. It has a built in slider, which the Planted bracket does not, so the seat moves fore and aft after it is fitted. It is £330.00 inc VAT per side. The listing names the Boxster, so we confirm it against your Cayman before you order.
| PCI Racing option, all inc VAT | For one seat | For a pair of seats |
|---|---|---|
| OMP RT bucket seat, fibreglass | £707.96 | £1,415.93 |
| PCI Racing sliding sub frame, side mounts included, slider built in. Choose driver or passenger side. | £330.00 | £660.00 |
| Seat and PCI frame together | £1,037.96 | £2,075.93 |
The Planted bracket is a special order from the USA and is not returnable, so we confirm it against your car before we order it. Tell us your model year and we will check it. It is listed for the 987, and if you have a 981 or a 718 you should ask us first, because Planted do not name those generations.
How the fitting goes
Fit the side mounts to the RT first, then offer the seat up to the bracket in the car. Start every bolt by hand and sit in the car. Torque it all down.
The Cayman is a mid engine car with airbags and seat occupancy sensing, so tell us the specification. Keep the factory seats, because this installation is reversible. Check your seat belt buckle before you drive and recheck the bolts after your first run.
Our bucket seat mounting guide explains base mount against side mount, and our Porsche Cayman seat guide covers the other seats that suit the car.
One seat or a pair
The 2 seats listing is the same price as two single seats, £1,415.93, so there is no saving either way. The brackets are handed. You can fit one seat now and add the passenger side later.
Set the seat position before you fix your harness anchor points, because seat height decides where the shoulder straps are allowed to run. That is why it comes first. Drop us an email or click to open a chat if you want it checked against your car.
Questions about an OMP RT in a Cayman
How do I fit an OMP RT into a Porsche Cayman 987?
Use the Planted Technology Cayman 987 bracket, the OMP low profile steel side mounts and the OMP RT seat. The bracket sits on the factory seat mounting points, the side mounts bolt to the seat, and the seat then bolts to the bracket. One seat is £990.50 inc VAT and a pair is £1,981.01 inc VAT.
Do I need side mounts for the OMP RT?
Yes. The RT is a side mount seat at 290mm lateral spacing and the seat is supplied on its own. The OMP low profile steel side mounts are the link between the seat and the Planted bracket.
Is the Planted bracket for my 981 or 718 Cayman?
The listing is for the Cayman 987, built from 2005 to 2012. Planted do not name the 981 or 718. Ask us before you order for those cars.
Is there a sliding option for the Cayman?
Yes. The PCI Racing sliding sub frame for the Boxster 987 is £330.00 inc VAT per side, with side mounts included and a built in slider. The Cayman shares the Boxster cabin and we confirm it against your car before you order. One OMP RT on it is £1,037.96 inc VAT.
Is the bracket for right hand drive cars?
Yes, and so is the PCI frame, and you choose driver side or passenger side when you order.
Can I return the Planted bracket?
No, it is a special order from the USA and is not returnable, so we confirm it against your car before we order it.
What size driver is the OMP RT for?
OMP list the RT for drivers under 6ft with a 32 to 36 inch waist. We are happy to talk you through the fit. Ring us before you order.
Tell us about your Cayman
Come and see the OMP RT, or ring Garreth and Cameron on 0115 647 8650. Give us your car, its year and your waist size. We will put the seat, bracket and side mounts together for you.
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