Cobra Premium Sliding Runners

From £84.00 Incl. VAT

Premium Sliding Runners by Cobra Seats. Brand: Cobra Seats. Slider width options: 291mm wide handle type, 405mm wide handle type. Available now from stock.

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Cobra Premium sliding runner. Part number SUBFR07EL.

It puts the adjustment back

A static fitting frame removes all travel from the seat: it goes where you bolt it and stays there. One runner per seat restores fore and aft adjustment without needing a reclining mechanism.

Which is why these matter most on a fixed back bucket. You keep the shell and the support, and you can still move the seat for a different driver.

Measure the handle width first

Two options, 291mm and 405mm. The 291mm matches Cobra’s standard base mount bolt pattern and suits most of their range; the 405mm is for seats or frames on a wider spacing.

Turn your seat over and measure across the handle underneath. That figure decides which one fits, and it is the only thing that can really go wrong with this order. Choose at the top of the page before adding to the basket.

It does not replace the frame

The runner fits between the seat base and the vehicle specific fitting frame. It is an addition to that frame, not an alternative to it.

If you do not already have the right frame for your car and seat, that is the first thing to order, and we will confirm which one before you buy.

One runner covers one seat. Driver and passenger each need their own, and the 291mm pair listing is cheaper per runner if both of yours are that width.

Additional information

Brand

Slider width options

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Seat runner and slider guide

Sliding runners let you move a fixed back bucket seat forwards and backwards. There is one thing everybody gets wrong about them, and it is worth clearing up before you look at the range.

The millimetres are the handle width, not the travelA 405 mm runner does not move further than a 291 mm runner. Every runner here gives the same fore and aft adjustment. The figure in the title is the width of the handle bar that spans underneath the seat, and you pick it to match the width of the shell you are fitting. All three Corbeau options are the same price, which is the giveaway.

Match the handle width to the seat

Measure across the underside of your seat between the two mounting rails, or check the seat width the manufacturer quotes. Then pick the runner whose handle spans it.

Handle width Sold as What it suits
290 mm Retro and Sportline Narrow shells and classic seats
291 mm Cobra, Corbeau The common narrow option
320 mm Motorsport STD Standard width bucket seats
345 mm Corbeau A step up from standard
370 mm Motorsport L Wider shells
405 mm Motorsport XL, Cobra, Corbeau The widest we stock

If you are between two, go by the seat rather than by preference. A handle that is too narrow will not reach the rails and one that is too wide will foul the tunnel or the sill.

Runners made for a specific seat

Some kits are built for one shell rather than sold by width. If your seat is on this list, that kit is the easier answer.

Brand Seats Notes
Tillett B5, B8, B9 Runner kits made for those shells
Recaro Pro Racer SPA and SPG, standard and XL Two widths, matched to the shell
Sparco P1300GT and P1300GT LW Base mount kit, quotes a seat width
Cobra Nogaro Sliding fitting kit for that seat
Endurance Sparco and Recaro compatible Aftermarket kits to suit those shells
Check the fixing type firstThe Sparco and Endurance runner kits are written for base mounted seats and quote a seat width rather than a handle width. A side mount seat needs side mounts and a subframe, not a base runner. Read our seat mounting and fixing points guide if you are not sure which yours is.

What a runner costs you

Height

A runner sits between the seat and the subframe, so it lifts you. In a car with a cage and a helmet that is the first thing to check, because the few centimetres it adds is exactly the amount you did not have spare. If you are tall, work out your headroom before you commit to running sliders at all.

Rigidity

A fixed seat bolted straight to a subframe is the stiffest way to mount it. A runner adds a moving joint. It is entirely normal for road and track day use, and it is why a lot of competition cars do without.

Sharing the car

The obvious reason to fit them. If two drivers use the car, or you drive it to the circuit and someone else drives it home, runners are worth the height and the weight. If it is your car and only yours, bolting the seat where you want it is simpler and lower.

Tell us the seat and we will match the runnerThe seat make and model, and whether it is side mount or base mount. The handle width has to match the shell and it is quicker for us to check than for you to measure it twice. Call 0115 989 3488 or email Sales@GSMPerformance.co.uk.

Widths and compatibility read from our own product data, checked 2 August 2026. All runners in this range give the same fore and aft adjustment.

Availability

Cobra seats are handcrafted in the UK. Each seat and product is lovingly created. On average, this takes around 4-6 weeks. (product specification depending) When ordering Cobra seats, you know you are getting a high-quality British product made to your specification. 

Need them faster? Cobra seats do not allow “queue jumping”. Orders are processed in a first come, first served basis. If you do have a deadline, track day, project or requirement. Please contact us in advance to check if the manufacturer can work with us, and you to meet your needs. 

Cobra-seat-lead-times

Will this fit my car?
This frame is car-specific, so match the vehicle in the product name to your exact car and generation. If you are unsure, send us the registration and we will confirm before you order.

Which seats does it take?
Cobra design each tailored frame around a particular seat, so check the Compatible seats tab above for the designed pairing. Other seats with a matching bolt pattern can work as cross-compatible components rather than a designed set, so ask us before mixing brands.

Do I keep fore-and-aft adjustment?
Yes, and unlike most brands the sliding runner comes included with a Cobra frame, in the price. That changes the like-for-like comparison against other makers, where the runner is a separate part on top. Our guide to sliding runners covers how they work.

In-store displays:

We have a premium range of over 125 seats from brands including: Bimarco, Cobra, Corbeau, Sparco, OMP, Recaro, GP-Race, and Bride to name just a few brands we work with.  

Alongside this, we also stock and display HANS devices, harnesses, race-wear, race-suits, FIA helmets and various other safety equipment. If you are looking to visit us to see and try any particular seat or product, please contact us in advance and we’ll be happy to help.

In-Store appointments:

Due to the specialist nature of our services, we do ask that you please contact us in advance to book an appointment. We have multiple slots available each day including selected availability at the weekend.

Working by appointment allows us to dedicate our time with you and provide a personal and professional service. We’ll always ensure you leave with the right equipment for your needs.

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Fast delivery lead times:

If you require fast delivery, please contact us in advance of ordering and we’ll happily check stock allocation and availability for you. We carry a large amount of stock at our showroom and across multiple distribution hubs. This allows us to provide immediate dispatch across a huge number of brands from Corbeau and Cobra through to Sparco and OMP. (Does not apply to all items)

Due to the niche market we work in, some products are custom hand made to order, or special order from manufacturers like PCI Racing and Planted Technology. If you want to know how fast a product will be dispatched. Simply drop us a message through our Contact us form.

ParcelForce

Addtional lead time notes:

Quick dispatch: Stocked products are dispatched within 24-48 hours with Parcel Force.
Sparco roll cages: We can only deliver these to a registered (LTD) company address.
In-store collection: Please contact us in advance to book an in-store collection appointment.