0121 557 2707

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Welcome to PartBox Performance and Tuning Parts

Special Offers and Discounts


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
Mishimoto Performance Aluminium Radiator

Mishimoto Performance Aluminium Radiator

[MMRAD-EVO-10] Ideal upgrade for the Evo X. Produces 30% greater cooling capacity as well as boosting engine functions and prevents your Evo from overheating
£282.00 inc. VAT
£235.00 exc. VAT
Mishimoto 1.3 Bar Rated Carbon Fiber Radiator Cap, Small (Import)

Mishimoto 1.3 Bar Rated Carbon Fiber Radiator Cap, Small (Import)

[MMRC-CF13S] Enhance the style of your engine bay while maintaining the pressure in your cooling system
£24.00 inc. VAT
£20.00 exc. VAT


AP Racing Disc 355x32 Bolted
£212.82 inc. VAT
£177.35 exc. VAT
VictorReinz Ford Focus rs mk1 Valve stem seal set
£17.99 inc. VAT
£14.99 exc. VAT
Tein Top Mount Bearing, Evo (Uniball)
£39.60 inc. VAT
£33.00 exc. VAT
Cusco Rear OS Strut Bar for Honda S2000 AP1
£162.94 inc. VAT
£135.78 exc. VAT
D-Power Performance 2.3L Inlet Plenum With Fitting Kit
£619.80 £588.82 inc. VAT
£490.68 exc. VAT
FORD Focus RS mk2 2010 Washer Jet Cover LH

FORD Focus RS mk2 2010 Washer Jet Cover LH

[1711147] Primed ready to paint to the colour of your vehicle.
£36.46 £27.96 inc. VAT
£23.30 exc. VAT
Cosworth Performance Air Filter Mazda 3 (2.0/2.3L), Mazdaspeed 3
£34.80 inc. VAT
£29.00 exc. VAT
ARP Mitsubishi 4G63 '93-On flywheel bolt kit
£49.85 inc. VAT
£41.54 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.