Schroth Harness Bolt In End Fitting Kits

£22.80 Incl. VAT

Schroth Harness Bolt In End Fitting Kits by Schroth Racing. Brand: Schroth Racing. Harness Type: 4-Point, 6-Point. Construction: Steel.

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The Schroth Bolt-in End Fitting Kit, part SSP01324, converts a clip-in harness shoulder belt to permanent bolt-through installation. It is a straightforward steel kit, and the reason you might need it is straightforward too: clip-in harnesses attach to a harness bar via a clip on the strap end, which requires a round-section bar to hook onto. If your car has threaded mounting points in the bodywork but no bar, or if you want the shoulder belts permanently fixed, this kit replaces the clip with a flat steel end fitting that bolts directly through your chosen mounting point.

The webbing is 75mm wide, which is the standard 3-inch strap width used across the Schroth racing harness range. The kit is listed as suitable for both 4-point and 6-point harnesses, so it will work with the Schroth Profi, Enduro, Flexi and Clubman six-point belts as well as the Clubman II, Profi II-FE and similar four-point competition harnesses.

Steel construction throughout. The fitting is non-bendable, so your harness bar or mounting point needs to accept a straight-pull fitting. If your mounting angle is awkward, the Schroth 3-inch Bendable Bolt-on Kit at part 01323 is the alternative; that one has an adjustable end plate that can be angled to suit non-perpendicular mounting positions without putting a twist into the strap.

This kit does not include the harness itself. It is sold as a hardware accessory to modify an existing Schroth clip-in harness. If you are unsure whether your current harness ends are clip or bolt-type, look at where the shoulder strap meets the harness bar: a clip end hooks over the bar and stays captive as a loop, while a bolt end passes through a fixed point on the car with a bolt and retaining plate.

Fitting is straightforward with standard hand tools and does not require the harness to be returned to Schroth. If you have questions about which kit suits your installation, we are happy to advise before you order.

Additional information

Brand

Harness Type

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Construction

Harness Strap Width

Harness hardware and pad size guide

Everything in this category is sized to one number: the width of your harness straps. Get that right and the rest is straightforward.

2 inch and 50 mm are the same size. So are 3 inch and 75 mmOur harness fittings are labelled in millimetres and our harness pads in inches, so the same strap width looks like two different numbers depending on which page you are on. It is not. Convert once and you can shop across both.
Imperial Metric Where you will see it
2 inch 50 mm The common shoulder and lap strap width
3 inch 75 mm The wider shoulder strap, and some lap straps

Find your strap width

1Check the harness product pageEvery harness we sell lists its strap width, usually as something like “3 inch shoulder to 2 inch lap”.
2Or measure the webbingLay a strap flat and measure across it. It will be very close to 50 mm or 75 mm.
3Note that shoulder and lap can differA lot of harnesses run 3 inch shoulders with 2 inch laps. If yours does, you need pads to match each.

Of the harnesses we stock, 112 are 2 inch shoulder to 2 inch lap, 38 are 3 inch shoulder to 2 inch lap, 36 are 3 inch to 3 inch and 5 are 2 inch to 3 inch. So mixed widths are common rather than unusual.

Harness pads

Pads slide onto the shoulder straps and stop the webbing digging in over a long stint. They are sold to the strap width, so a 3 inch pad on a 2 inch strap will slide about and a 2 inch pad will not go over a 3 inch strap at all.

If your harness runs 3 inch shoulders, you want 3 inch pads, and the lap strap width does not come into it because pads go on the shoulders.

Eye bolts and fittings

Eye bolts give a clip-in harness something to clip to. They thread into a captive nut in the floor or into a reinforcing plate, and the snap hook on the harness clips through the eye.

Match the fitting to the strap width the same way. A 50 mm fitting suits a 2 inch strap and a 75 mm fitting suits a 3 inch one. If you are fitting a clip-in harness and your car has no suitable threaded points, this is the category you need, and it is worth sorting at the same time as the harness rather than after it.

Check what the mounting point is bolted intoAn eye bolt is only as good as what it threads into. Original seat belt mounting points are engineered for the job. A hole drilled in thin floor pan is not, and wants a spreader plate on the underside. If you are unsure what you are bolting to, send us a photo before you drill anything.

What else you might need

A clip-in harness needs eye bolts or existing threaded points. A bolt-in harness needs threaded points or brackets and no eye bolts at all. A wrap-around harness needs a cage bar in the right place and needs neither. Our harness size and fitting guide covers which installation type is which, and it is worth reading before you order hardware you may not need.

Tell us the harness and we will match the hardwareThe harness make and model, or just its strap widths, and whether it is clip in, bolt in or wrap around. Two minutes on the phone saves ordering the wrong pads twice. Call 0115 989 3488 or email Sales@GSMPerformance.co.uk.

Strap widths read from our own product data across the harness, fitting and pad categories, checked 2 August 2026.

What does the strap width mean for me?
This is a 75mm 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.

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 4-point/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.

The Schroth 2022 collection now online

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.