Schroth Profi 3×2 FIA 6 Point Harness Belt

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Schroth Profi 3×2 FIA 6 Point Harness Belt by Schroth Racing. Brand: Schroth Racing. Application: Saloon. Approval: FIA 8853-2016.

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Size/Fitting guide

SKU: 94540 Categories: Schroth FIA Saloon Harnesses, FIA Motorsport Harnesses

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The Profi 3×2 is Schroth’s top-of-range competition harness, part number 94540, and the one the factory teams actually use. Schroth supply it to F1, WRC, Porsche factory programmes and a good number of other professional series, which makes it the closest thing to a consensus benchmark that exists in racing restraints.

It is a six-point design. Two 3-inch shoulder belts, two 2-inch lap belts and a sub-strap that joins at an aircraft-type buckle. The sub-strap pulls the lap section down across the top of the thighs, which keeps you planted in the seat under braking and prevents the lap belts riding up into the abdomen in a frontal impact. The shoulder belts are 3 inches wide, and that is the detail worth understanding before ordering. The wider webbing distributes load across more of the shoulder and upper torso, which means the Profi 3×2 can be run without a HANS or FHR device and still pass FIA 8853-2016 scrutineering. If your regulations require HANS, the Profi 3×2 is also compatible. If your regulations do not, it is the only FIA homologated harness here that gives you the choice.

The lap adjusters are pull-up. You tighten by pulling the free end of the lap belt upward, which gives a positive, click-by-click ratchet feel. Some drivers prefer this when getting in alone; others find the Enduro’s pull-down system faster in a shared drive arrangement. Both are on FIA 8853-2016, so the choice is personal.

Available in black (94540-0) or red (94540-2). The harness is clip-in, meaning the shoulder belts and sub-strap clip onto a harness bar rather than bolting permanently to it. If your car does not have a harness bar and you need permanent bolt-through installation, the separate Schroth Bolt-in End Fitting Kit converts the strap ends for you.

The Enduro 3×2 at part 94500 is the same shoulder width and the same FIA approval, at a lower price point, with a different lap adjuster. If the budget is the constraint and you do not need the top-spec webbing, it does the same job in competition.

Additional information

Brand	Schroth Racing
Application	Saloon
Approval	FIA 8853-2016
Buckle Type	Aircraft Buckle
HANS Compatibility	HANS Friendly
Harness Type	6-Point
Harness Strap Width	3" Shoulder to 2" Lap
Installation Type	Clip In
Webbing Colour	Black, Red

Harness size and fitting guide

Harnesses are not sized to your body. They adjust to fit almost anyone. What you are actually choosing is the number of points, the approval, how it mounts in your car, and whether it works with a head restraint. Get those four right and the fit looks after itself.

How many points

Type	We stock	Typical approval	What it is for
3 point	23	Road and Track only	Inertia and static road belts. Not competition kit
4 point	99	Mostly Road and Track, 27 on FIA 8854-1998	Fast road and track days. Simple to fit
6 point	77	Almost all FIA 8853-2016	Competition. Two sub straps stop you submarining
8 point	1	FIA 8853-2016	Specialist. Two extra shoulder straps

If you need an FIA harness, you are looking at a six pointOf the 77 six point harnesses we stock, almost all carry FIA 8853-2016, the current standard. Four point harnesses are mostly Road and Track, with 27 on the older 8854-1998. Every three point we stock is Road and Track. So the point count and the approval are tied together far more tightly than people expect.

Approvals

Approval	We stock	What it means
FIA 8853-2016	69	The current competition standard. Carries an expiry date on the label
FIA 8854-1998	30	The older standard, mostly on 4 point harnesses
Road and Track	88	Not competition approved. Fast road and track day use

FIA harnesses carry an expiry date printed on the label, and a scrutineer will look at it. Check how long is left before you buy, especially on discounted older stock. Road and Track harnesses have no expiry but they are not accepted for competition.

Strap width

Wider straps spread the load over more of your shoulder. Narrower straps are easier to route and easier to live with over a head restraint.

Combination	We stock	Notes
2 inch shoulder, 2 inch lap	112	The most common combination here
3 inch shoulder, 2 inch lap	38	Wider shoulders, standard lap
3 inch shoulder, 3 inch lap	36	The widest, spreads the load furthest
2 inch shoulder, 3 inch lap	5	Uncommon

Strap width does not tell you whether it suits a HANSIt is a common rule of thumb that a head restraint needs two inch shoulder straps, and our own range does not bear it out. Most of our HANS Specific harnesses are two inch, but nine of them are three inch, and most of our Not HANS compatible harnesses are two inch as well because that group is largely road belts. Filter on the HANS label below, not on the width.

Head restraint compatibility

Label	We stock	What to do with it
HANS Specific	45	Designed to be used with a head restraint. Start here if you run one
HANS Friendly	38	Works with a head restraint
Not HANS compatible	97	Mostly road harnesses. Do not pair with a head restraint

If you run a HANS or any FHR device, or you plan to, filter on HANS Specific first. It is a smaller list but it is the one where the shoulder straps are cut and routed to sit over the device properly.

How it mounts, and this is the one to check first

The installation type has to match what is already in your car. It is the most common reason a harness arrives and will not go in.

Installation	We stock	What you need in the car
Clip in	101	Snap hooks onto eye bolts. The quickest to fit and remove
Bolt in	67	Bolts straight to a threaded mounting point or a bracket
Wrap around	49	The strap wraps a cage bar and buckles back on itself
Loop fixings	7	A loop over a bar or bracket

Clip in is the most popular because it is quick and because eye bolts are cheap to add. Bolt in is the tidiest where you have threaded points. Wrap around is what you use on a cage where there is a bar in the right place and nothing to bolt to. If you are unsure what you have, take a photo of the mounting area and send it over.

Buckles

Two types across the range: 94 clip buckle and 83 aircraft buckle. A clip buckle is the lever type, quick to release with one hand and the usual choice on a road or track day car. An aircraft buckle is the rotary cam lock, which is what most competition harnesses use because it releases every strap at once with a quarter turn. Both are easy to use once you know them. The cam lock is faster in a hurry.

Getting the fit right once it is in

Shoulder straps want to come from behind you at or slightly below shoulder height, never from above. If they angle down onto your shoulders from a high mounting point they load your spine rather than your chest. On a saloon that usually means a harness bar or a cage, not the rear parcel shelf.

Lap straps go across your hips, low, not across your stomach. Pull the lap belt tight first, then the shoulders, then the sub straps. If you can get a flat hand between you and the shoulder strap it is not tight enough.

Send us a photo of the mounting pointsThe car, whether you have a cage or a harness bar, and whether you run a head restraint. Those three decide the harness far more than anything about your own measurements. Call 0115 989 3488 or email Sales@GSMPerformance.co.uk.

All counts read from our own product data across the harness categories, checked 2 August 2026. Counts change as stock moves, so treat them as a guide to where the range is deep.

How long does an FIA harness last?
Every FIA harness carries a not-valid-after date on its label, and that date is what the scrutineer checks, not the purchase date. Our guide on how long FIA harnesses last explains the labelling and when replacement is due, and buying new gets you the freshest date the maker currently produces.

What does the strap width mean for me?
This is a 3 inch shoulder to 2 inch lap harness. The shoulder width choice interacts with whether you run a HANS device, and our guide on 3 inch versus 2 inch harnesses explains which to pick and why.

Do I need a HANS-specific harness?
This is a 6-point FIA harness, which is the only type that works with a HANS device. This one is the conventional cut rather than the HANS-specific pattern, so if you run a device, compare it against the HANS-pattern versions in the range or ask us which suits your setup.

What does it mount to?
A harness needs proper anchor points: a harness bar, cage, or the car’s designed mounting points, plus a seat with the right slots, and as a 6-point it needs each point anchored correctly. Tell us the car and seat and we will confirm the mounting plan before you order.

Availability

The Rallye and Profi ranges are held in stock

Those go out for immediate dispatch. We bring a batch of Schroth harnesses into the UK once a month, so an order can be allocated onto the next regular delivery.

Vehicle-specific harnesses take longer

Special order Schroth harnesses run to 4 to 6 weeks. The Westfield and Caterham harnesses are made to order and can take longer still, because they are built for that car rather than picked from stock.

If your car is one of those, ask us first. We would rather give you the real timescale than have you waiting on a harness that was never on a shelf.

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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Use the purchase power check in the Klarna box for a quick, no-obligation look at what you could be approved for before you order.

How it works at GSM SportSeats4u

1Add the product to your basket and go to checkout as normal.
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Your questions, answered by Klarna

Klarna is available to UK residents aged 18 and over. Subject to status. Terms and conditions and late fees apply. Klarna Financial Services UK Limited is authorised and regulated by the Financial Conduct Authority. Full details at klarna.com/uk. Every way you can pay with us is on our payment and finance page, or call 0115 989 3488 and we will talk it through.

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.

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.