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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Instrument Voltage Stabiliser
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Instrument Voltage Stabiliser

Instrument Voltage Stabiliser
£24.00
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Electric Vacuum Pump Relay
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Electric Vacuum Pump Relay

12 volts.
£9.60
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£9.60
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Classic Style Paper Covered Aluminium Ducting 80mm I.D. - Car Builder SolutionsClassic Style Paper Covered Aluminium Ducting 30-100mm
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Classic Style Paper Covered Aluminium Ducting 30-100mm

SOLD BY THE METRE
£8.40
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G Clamps 50mm to 200mmG Clamps 50mm to 200mm
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G Clamps 50mm to 200mm

G Clamps
£4.20
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Single Relay Plug with Terminals

Single Relay Plug with Terminals

Durable 5-terminal relay plug with 1/4" female crimp terminals for secure connections in automotive/electrical applications. Easy installation, reliable performance.
£3.00
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£3.00
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Brake and Clutch Reservoir Bleeding Adapter

Brake and Clutch Reservoir Bleeding Adapter

RESERVOIR BLEEDING ADAPTER
£19.20
£0.00
£19.20
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3 Piece Locking Clamping Pliers Set For Flexible Hoses3 Piece Locking Clamping Pliers Set For Flexible Hoses

3 Piece Locking Clamping Pliers Set For Flexible Hoses

Will clamp between 6mm and 57mm hose.
£7.20
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3 Watt LED White/Red Rechargeable Headband Lamp

3 Watt LED White/Red Rechargeable Headband Lamp

USB charging cable included Up to 3 hours battery life
£7.80
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Demist Vent 87mm x 14mmDemist Vent 87mm x 14mm

Demist Vent 87mm x 14mm

ABS demist vent, 87mm x 14mm, fits 71mm x 8mm hole. Ideal for boats and caravans. Clears condensation.
£6.00
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Silver Chrome Paint AerosolSilver Chrome Paint Aerosol

Silver Chrome Paint Aerosol

This plated finish paint aerosol delivers a brilliant, very shiny silver finish. Easy to apply and perfect for various projects.
£13.20
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£13.20
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Large Internal Naca Duct Black 270mmLarge Internal Naca Duct Black 270mm

Large Internal Naca Duct Black 270mm

Can be bonded or riveted to body.
£19.20
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£19.20
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Naca Duct Internal Carbon Effect Small

Naca Duct Internal Carbon Effect Small

Can be bonded or riveted to body. 180mm x 145mm x 25mm high
£14.40
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£14.40
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Naca Duct Internal Carbon Effect Large

Naca Duct Internal Carbon Effect Large

Can be bonded or riveted to body. 235mm x 190mm x 45mm high.
£16.80
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£16.80
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360mm LED Interior Strip Light360mm LED Interior Strip Light

360mm LED Interior Strip Light

Overall size. 30mm x 23mm x 11mm high.
£30.00
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£30.00
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440 Amp Jump Start Posts

440 Amp Jump Start Posts

SOLD AS A PAIR
£24.00
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£24.00
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Fuel Tank Pick Up Pipes
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Fuel Tank Pick Up Pipes

Fuel tank pick up pipes
£24.00
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Smiths GPS Speed Sensor for Electronic SpeedometersSmiths GPS Speed Sensor for Electronic Speedometers

Smiths GPS Speed Sensor for Electronic Speedometers

Smiths GPS Speed Sensor for Electronic Speedometers
£162.00
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£162.00
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Smiths Inductive Speed Sensor for Electronic SpeedometersSmiths Inductive Speed Sensor for Electronic Speedometers

Smiths Inductive Speed Sensor for Electronic Speedometers

Smiths Inductive Speed Sensor for Electronic Speedometers
£86.40
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£86.40
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Copper Brake Pipe 22G 25Ft Roll

Copper Brake Pipe 22G 25Ft Roll

High-quality copper/nickel brake pipe in 3/16". Rated to 215 Bar, ensuring reliable braking performance.
£15.00
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Copper/Nickel Brake Pipe 22G 25Ft Roll

Copper/Nickel Brake Pipe 22G 25Ft Roll

High-quality copper/nickel brake pipe in 3/16". Rated to 215 Bar, ensuring reliable braking performance.
£21.60
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£21.60
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Engine Oil

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MOBIL Mobil 1 0W-20 Advanced Full Synthetic Engine Oil

Advanced full synthetic 0W20 motor oil. Optimised for fuel economy and long-lasting engine protection in hybrid vehicles.
£13.96
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CASTROL EDGE 0W-30 A5/B5 Engine Oil

Advanced 0W-30 motor oil boosts engine performance and fuel economy. Trusted by experts for ultimate protection and efficiency.
£13.96
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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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MOBIL Super 1000 X1 15W-40 Engine Oil

High-performance 15W40 motor oil. Provides excellent engine cleanliness, high-temperature protection, and wear protection. Suitable for various vehicles.
£33.95
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CASTROL Magnatec 10W-40 A/B Engine Oil

Advanced engine oil with DUALOCK molecules for non-stop protection and reduced warm-up wear. ACEA A3/B4, API SP.
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MOBIL Super 2000 X1 10W-40 Engine Oil

High-performance 10W40 motor oil offering superior engine protection, sludge prevention, and cleanliness. Meets various industry standards.
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CASTROL Magnatec 5W-30 A5 Engine Oil

Advanced engine oil with DUALOCK technology for superior protection during warm-up and stop-start driving. Suitable for modern vehicles.
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CASTROL GTX 5W-30 RN17 Engine Oil

5W-30 RN17 engine oil. Superior sludge protection and advanced viscosity and thermal breakdown protection. Extends engine life.
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  • seatbelt-harness-fixing-plate-55mm-car-builder-solutions

    Seatbelt Harness Fixing Plate 55mm

    Reinforced steel fixing plate with welded nut for secure seatbelt harness mounting. 55mm x 55mm, 2mm thick, with 5mm location hole.
    £2.40
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    £2.40
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  • Rectangular Harness Fixing Plate - Car Builder Solutions

    Rectangular Harness Fixing Plate

    Durable steel harness fixing plate with 7/16" UNF tap and mounting hole. Ideal for secure harness installations.
    £3.00
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    £3.00
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  • FIA Approved Heavy Duty Harness Fixing Plate 3mm - Car Builder SolutionsFIA Approved Heavy Duty Harness Fixing Plate 3mm - Car Builder Solutions

    FIA Approved Heavy Duty Harness Fixing Plate 3mm

    FIA approved heavy-duty harness fixing plate, 3mm thick plated steel, with a welded 7/16" UNF nut. 65mm x 65mm.
    £3.00
    £0.00
    £3.00
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  • 7/16" UNF Steel Nut

    7/16" UNF Steel Nut

    7/16" UNF steel nut for seat belt fixings. Heavy zinc plating. 5/8" AF hex. Durable and corrosion-resistant.
    £0.30
    £0.00
    £0.30
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  • Seatbelt Hex Bolt 7/16" UNF Thread x 1 1/4" Long - Car Builder Solutions

    Seatbelt Hex Bolt 7/16" UNF Thread x 1 1/4" Long

    High tensile 7/16" UNF x 1 1/4" hex bolt. Zinc plated for corrosion resistance. Ideal for seat belt fixings and other applications.
    £1.20
    £0.00
    £1.20
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  • Seatbelt Hex Bolt 7/16" UNF Thread x 2" Long - Car Builder Solutions

    Seatbelt Hex Bolt 7/16" UNF Thread x 2" Long

    High tensile 7/16" UNF x 2" hex bolt. Ideal for seat belt fixings. Grade 5 steel, zinc plated for corrosion resistance.
    £1.32
    £0.00
    £1.32
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  • Eye Bolt 22mm Long Thread - Car Builder Solutions

    Eye Bolt 22mm Long Thread

    A strong, zinc-plated eye bolt with a 7/16" UNF thread and a 22mm length. Ideal for various lifting and fastening applications.
    £3.60
    £0.00
    £3.60
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  • Eye Bolt 32mm Long Thread - Car Builder Solutions

    Eye Bolt 32mm Long Thread

    Heavy-duty forged eyebolt with 7/16" UNF 32mm thread and 15.4mm eye, zinc plated for corrosion resistance.
    £4.80
    £0.00
    £4.80
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  • Eye Bolt 48mm Long Thread - Car Builder Solutions

    Eye Bolt 48mm Long Thread

    A strong, silver-plated 7/16" UNF eye bolt with a 48mm long thread and a 15mm hole, ideal for lifting and securing.
    £4.80
    £0.00
    £4.80
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  • retracting-seat-belt-with-150mm-stalk-car-builder-solutions
    Out Of Stock

    Retracting Seat Belt With 150mm Stalk

    ECE regulation R16.08 homologated for use on public roads. Suitable for universal fitment to the front seat of most classic cars The harness is not handed, and can be used either on the driver or passenger side Retractable 90° inertia seat belt 48mm black x 3M length Fitting kit included
    £32.40
    £0.00
    £32.40
    (-0%)
    Out Of Stock
  • 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
    (-0%)
  • 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
    (-0%)
  • 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
    £0.00
    £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
    £0.00
    £61.20
    (-0%)
  • 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
    (-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
    (-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
    (-0%)
  • harness-eye-bolt-fixing-kit-car-builder-solutions

    Harness Eye Bolt Fixing Kit

    Securely mount harnesses with this kit. Includes four high-tensile eyebolts and backing plates with pre-drilled holes for easy installation.
    £21.60
    £0.00
    £21.60
    (-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
    (-0%)
  • 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
    (-0%)
  • 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
    £0.00
    £44.40
    (-0%)
  • 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%)
  • Black Steel Seat Belt Adjuster Plate - Car Builder SolutionsBlack Steel Seat Belt Adjuster Plate - Car Builder Solutions

    Black Steel Seat Belt Adjuster Plate

    Enhance comfort and safety with this black steel seat belt adjuster plate for 50mm wide seat belts, featuring a durable construction and precise fit.
    £3.60
    £0.00
    £3.60
    (-0%)
  • Steel Seat Belt Hook Plate - Car Builder SolutionsSteel Seat Belt Hook Plate - Car Builder Solutions

    Steel Seat Belt Hook Plate

    Secure steel hook plate for 50mm seat belts. Clips onto eyebolts, spring-loaded, zinc plated. Durable and easy to install.
    £4.20
    £0.00
    £4.20
    (-0%)
  • Eye Bolt M12 x 22mm Long Thread - Car Builder Solutions

    Eye Bolt M12 x 22mm Long Thread

    M12 thread 20mm long. 14.5mm hole in eyebolt.
    £3.00
    £0.00
    £3.00
    (-0%)

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