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Willans Silverstone 633 Single Seater FIA Harness- 3″ Shoulder & 3″ Lap

From £241.43 Excl VAT £289.72 Incl VAT
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1 × Willans 3 Inch Wide Harness Pads
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From £24.50 Excl VAT £29.40 Incl VAT

This Willans Silverstone 633 harness is a 6-point single-seater race/rally harness with 75mm (3 inch) wide lap straps and 75mm (3 inch) shoulder straps, with steel belt adjusters and clip-in end fittings. All straps are fully adjustable using Willans own steel adjusters for control of wearer straps. This harness features Willans lightweight planted aircraft-type rotary multi-point release box. Straps are sewn together for easy use with single tongue insertion on fastening. This harness is approved to FIA 8853-98 standards.

  • FIA 8853-98 Approved
  • Suitable For single-seater cars with appropriate mountings
  • 3″ Wide Shoulder Straps
  • 3″ Lap Straps
  • Clip In Fittings With Eye Bolts Supplied
  • Adjustable
  • 6 point
  • Aircraft buckle





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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.

Slice it in 3: (option 1)

Available on orders over £50.00

Spread the cost in 3 equal card payments.
No fees, no interest and no credit check. No impact on your credit score!
Simply add your products to your basket and checkout. 
Choose Slice it in 3!

Pay later finance: (option 2)

Available on orders over £300.00

Spread the cost of your purchase into equal monthly payments.
Available over 12, 24 or 36 months at just 12.9% interest
Simply add your products to your basket and checkout. 
Choose Klarna finance!

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.


Current lead times: Willans harnesses are currently average delivery times of 7-10 days. These are currently dispatched directly from the manufacturer. Dispatch times vary and will depend on constantly rotating stock. Please contact us for precise lead times prior to order.

Current lead times: Items in stock will be dispatched within 24 hours. If you want to collect the harnesses from our showroom, or need the harnesses on a next day service, contact us and we’ll be able to upgrade your delivery service.

Need them fast?  Please contact us in advance to check our stock and product availability. If we have excess stock of some model, we may be able to dispatch them within a shorter lead time. Speak to us in advance to find out how we can assist

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