Seatbelts and Harnesses for Road, Track and Custom Builds

Ensure safety and compliance in your build with our range of seatbelts and harnesses. This collection includes inertia reel belts, static lap belts, four-point and five-point harnesses, along with mounting kits and hardware — ideal for road cars, track day vehicles and restorations.

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Smiths Pressure Transducer - Pressure Sender

Smiths Pressure Transducer - Pressure Sender

Genuine Smiths Smiths Oil pressure sender to suit Smiths Classic electrical gauges. Has 1/8NPT thread. This Smiths Classic Pressure sender measures 52mm diameter by 40mm in height (not including the thread or electrical connector).
£82.00
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Engine Oil

CASTROL EDGE 5W-40 Fully Synthetic Engine OilCASTROL EDGE 5W-40 Fully Synthetic Engine Oil
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CASTROL EDGE 5W-40 Fully Synthetic Engine Oil

Advanced full synthetic engine oil for maximum performance and protection. Improves fuel economy and exceeds industry standards.
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  • Yellow TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions

    Yellow TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
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    £81.60
    (-0%)
  • Slate Grey TWR 4 Point Harness - Car Builder SolutionsSlate Grey TWR 4 Point Harness - Car Builder Solutions

    Slate Grey TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
    £0.00
    £81.60
    (-0%)
  • Securon 3 Point Fixing Multi-Angle 3 Retractable Short Stalk Black - Car Builder SolutionsSecuron 3 Point Fixing Multi-Angle 3 Retractable Short Stalk Black - Car Builder Solutions

    Securon 3 Point Fixing Multi-Angle 3 Retractable Short Stalk Black

    Total belt length 2.4mtrs. ‘E’ marked.
    £81.60
    £0.00
    £81.60
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  • Securon 3 Point Fixing, Multi-Angle Retractable Long Stalk Black - Car Builder SolutionsSecuron 3 Point Fixing, Multi-Angle Retractable Long Stalk Black - Car Builder Solutions

    Securon 3 Point Fixing, Multi-Angle Retractable Long Stalk Black

    Total belt length 2.4mtrs. ‘E’ marked.
    £81.60
    £0.00
    £81.60
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  • Red TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions

    Red TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
    £0.00
    £81.60
    (-0%)
  • Orange TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions

    Orange TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
    £0.00
    £81.60
    (-0%)
  • Miami Blue TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions

    Miami Blue TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
    £0.00
    £81.60
    (-0%)
  • Long Black TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions

    Long TWR 4 Point Harness - Black

    Shoulder straps adjustable from 1mtr to 1.9mtrs. Lap straps adjustable from 230mm to 600mm.
    £81.60
    £81.60
    (-0%)
    • Black
    • Blue
  • Green TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions
    Out Of Stock

    Green TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
    £0.00
    £81.60
    (-0%)
    Out Of Stock
  • Blue TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions

    Blue TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
    £0.00
    £81.60
    (-0%)
  • Black TWR 4 Point Harness - Car Builder SolutionsYellow TWR 4 Point Harness - Car Builder Solutions

    Black TWR 4 Point Harness

    IVA OKSHOULDER STRAPS adjustable from 500mm to 900mm (20 in to 35 in). LAP STRAPS adjustable from 230mm to 600mm (9 in to 23 in) each.
    £81.60
    £0.00
    £81.60
    (-0%)
  • Securon 4 Point Fixing, Multi-Angle Retractable With Webbing Buckle - Car Builder SolutionsSecuron 4 Point Fixing, Multi-Angle Retractable With Webbing Buckle - Car Builder Solutions

    Securon 4 Point Fixing, Multi-Angle Retractable With Webbing Buckle

    IVA OK E Marked
    £78.00
    £0.00
    £78.00
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  • Securon Retractable Seat Belt with Webbing Buckle - Car Builder Solutions

    Securon Retractable Seat Belt with Webbing Buckle

    IVA OK
    £74.40
    £0.00
    £74.40
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  • Securon Retractable Seatbelt Short Stalk Buckle Black - Car Builder Solutions

    Securon Retractable Seatbelt Short Stalk Buckle Black

    3-Point retractable seatbelt with short stalk buckle. Enhanced safety with easy installation. IVA compliant. Universal fit.
    £61.20
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    £61.20
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  • Securon Retractable Seat Belt Long Stalk Buckle Black - Car Builder Solutions

    Securon Retractable Seat Belt Long Stalk Buckle Black

    3-point retractable seat belt with 300mm long stalk buckle, 2.9m length, twin button release. E marked, IVA compliant.
    £61.20
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    £61.20
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  • Sport Harness 4 Point Seatbelt RED - Car Builder SolutionsSport Harness 4 Point Seatbelt RED - Car Builder Solutions

    Sport Harness 4 Point Seatbelt RED

    Enhance safety with this 4-point sport harness seatbelt. Quick release, easy install, and comfortable fit.
    £54.00
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    £54.00
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  • Securon Static Adjustable Seatbelt Short Stalk Buckle Black - Car Builder SolutionsSecuron Static Adjustable Seatbelt Short Stalk Buckle Black - Car Builder Solutions

    Securon Static Adjustable Seatbelt Short Stalk Buckle Black

    150mm buckle. Seatbelt overall length 2.2m.
    £44.40
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    £44.40
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  • Securon Static Adjustable Seatbelt Long Stalk Buckle Black - Car Builder SolutionsSecuron Static Adjustable Seatbelt Long Stalk Buckle Black - Car Builder Solutions

    Securon Static Adjustable Seatbelt Long Stalk Buckle Black

    A non-retractable static seatbelt with a long stalk buckle and twin release button. Easy to install with all fittings included.
    £44.40
    £0.00
    £44.40
    (-0%)
  • Securon Lap Belt Black - Car Builder Solutions

    Securon Lap Belt Black

    Adjustable lap belt for rear seats and PSVs. Easy installation with included bolts. Enhanced safety and versatile use.
    £37.20
    £0.00
    £37.20
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  • Securon ***Retractable*** Lap Belt Black - Car Builder SolutionsSecuron ***Retractable*** Lap Belt Black - Car Builder Solutions

    Securon ***Retractable*** Lap Belt Black

    Retractable lap belt, ideal for rear seats and PSVs. Automatic retractor, 1.1m length, E-marked, includes fittings.
    £36.00
    £0.00
    £36.00
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  • Retracting Seat Belt With 450mm Long StalkRetracting Seat Belt With 450mm Long Stalk

    Retracting Seat Belt With 450mm Long Stalk

    'E8' Marked
    £34.80
    £0.00
    £34.80
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  • Retracting Seat Belt With 300mm Long StalkRetracting Seat Belt With 300mm Long Stalk

    Retracting Seat Belt With 300mm Long Stalk

    'E8' Marked
    £32.40
    £0.00
    £32.40
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  • Retracting Seat Belt With 150mm Stalk - Car Builder SolutionsRetracting Seat Belt With 150mm Stalk - Car Builder Solutions

    Retracting Seat Belt With 150mm Stalk

    E1 Marked.Maximum length of 3 metres.Automatically retracting with long semi-rigid stalk and push button release.
    £32.40
    £0.00
    £32.40
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  • Harness Eye Bolt Fixing Kit 6 Point

    Harness Eye Bolt Fixing Kit 6 Point

    Securely mount harnesses with this kit. Includes six high-tensile eyebolts and backing plates with pre-drilled holes for easy installation.
    £28.80
    £0.00
    £28.80
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  • 1.5 mtr Static Lap Seat Belt - Car Builder Solutions

    1.5 mtr Static Lap Seat Belt

    E1' Marked with manual adjustment up to 1.5mFixing pack with IVA plastic bolt head covers included.
    £25.20
    £0.00
    £25.20
    (-0%)

FAQs

Got a question? We are here to answer

Secure Your Drive with the Right Belt System

Whether you’re building a track day car, fitting a road legal setup or replacing worn factory belts, our range covers a variety of configurations. All belts come with fitting instructions and are designed for easy installation in classic and modern vehicles alike.

Featured Products in This Collection

Types of Seatbelt Systems

  • Inertia reel seatbelts for comfort and safety
  • Static lap belts for simple applications
  • Four-point harnesses for secure track use

All seatbelt systems are in stock and available with next day UK delivery. Build with confidence and secure your journey properly.