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Welcome to PartBox Performance and Tuning Parts

Special Offers and Discounts


Cosworth Evo 6-9 71°C Cosworth thermostat

Cosworth Evo 6-9 71°C Cosworth thermostat

[20021033] Mitsubishi Lancer Evolution 6-9 71°C Cosworth thermostat. Diameter = 70mm. Height = 70mm.
£94.80 inc. VAT
£79.00 exc. VAT
Cosworth Thermostat and housing (82 deg C)

Cosworth Thermostat and housing (82 deg C)

[PR6595] This low temperature thermostat will open up at a lower temperature than standard thermostats, allowing the coolant to flow through the engine sooner. This reduces and maintains cooler engine temperatures.
£40.96 inc. VAT
£34.13 exc. VAT
Walbro Motorsport Fuel Pump Kit (Mitsubishi Evolution V3-9)
£95.94 £88.70 inc. VAT
£73.92 exc. VAT


Mishimoto Performance Aluminium Radiator

Mishimoto Performance Aluminium Radiator

[MMRAD-RHD-R33] Drain Plug Thread Size (M16) .06"
£264.00 inc. VAT
£220.00 exc. VAT
Ford Focus RS mk1 boost Solenoid  Amal valve
£68.40 £61.56 inc. VAT
£51.30 exc. VAT
Mk2 Focus RS / ST225 VVT Seal
£6.00 £5.40 inc. VAT
£4.50 exc. VAT
Ford Focus RS Mk2 front air deflector screw
£1.14 £1.03 inc. VAT
£0.86 exc. VAT
Defi Replacement & Optional Parts - DF Oil/Water Temp Sensor 1/8PT
£39.60 inc. VAT
£33.00 exc. VAT
AP Racing Bleed Screw Kit M10
£6.12 inc. VAT
£5.10 exc. VAT
HKS Inner Silencer 115mm
£28.80 inc. VAT
£24.00 exc. VAT
AP Racing Dot 5.1 Brake Fluid 500ml

AP Racing Dot 5.1 Brake Fluid 500ml

[CP4510-1] AP Racing DOT 5.1 fluid, used by race teams and Performance street cars!
£6.05 inc. VAT
£5.04 exc. VAT

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At PartBox you can find a wide selection of well-respected imported performance car parts for a range of Japanese and European cars. Read more.

We are the UK/European distributor or RAYS Wheels; Japan's lightest forged alloy wheel with a range from VOLK Racing, 57Motorsport and GramLights.

We stock a range of engine tuning parts, including ARP racing fasteners, Ferrea valves, HKS tuning parts, K1 rods, JE and Wiseco pistons and much more..

If it is transmission parts you are after, we sell a range of limited slip differentials (LSDs) from CUSCO, KAAZ, Tran-X and Wavetrac as well as Fidanza flywheels.

We also stock a range of suspension components from CUSCO and TEIN as well as high performance brake kits from AP Racing, Brembo, Ferodo and Performance Friction.

Other lines of performance car parts we stock include Avo, Blitz, Cosworth, Ford Component Sales, Glencoe FSE, JR Filters, Mishimoto radiators and much more. If you can't find what you need, get in touch.

Please note: Due to fluctuating exchange rates prices may vary from those shown.
All prices will be confirmed before payment is taken. Special offers are subject to availability.