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MK3 Ford Focus ST250 Performance Parts

Upgrade your MK3 Ford Focus ST250 with performance and replacement parts from AIRTEC Motorsport, Cobra Sport, Forge Motorsport, Genuine Ford, Maxton Design, Powerflex, Whiteline and Wayside Performance.

Browse induction kits, intercoolers, exhaust systems, suspension upgrades, brakes, clutches, engine mounts, servicing parts and styling upgrades for both pre-facelift and facelift Focus ST250 models.

Not sure where to begin?

Read our MK3 Focus ST250 tuning guide for recommended Stage 1 and Stage 2 modifications, expected power figures and advice based on our custom dyno tuning experience.

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  • AS Performance Airtec Stage 2 Induction Kit Focus MK3 ST250 Facelift / Pre-Facelift - Wayside Performance
    AIRTEC Motorsport

    AS Performance Airtec Stage 2 Induction Kit Focus MK3 ST250 Facelift / Pre-Facelift

    £358.58
    £358.58
  • Whiteline 25mm Lowering Springs Facelift FL Ford Focus MK3 ST250 - Wayside Performance
    Whiteline

    Whiteline 25mm Lowering Springs Facelift FL Ford Focus MK3 ST250

    £219.00
    £219.00
  • Spoiler Cap Ford Focus St Mk3 / Mk3 Fl - Wayside Performance Spoiler Cap Ford Focus St Mk3 / Mk3 Fl - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Spoiler Cap Ford Focus St Mk3 / Mk3 FL

    £129.00
    £129.00
  • Airtec Motorsport Quick Shift for Mk3 Focus St/rs - Wayside Performance Airtec Motorsport Quick Shift for Mk3 Focus St/rs - Wayside Performance
    AIRTEC Motorsport

    Airtec Motorsport Quick Shift for Mk3 Focus St/rs

    £104.99
    £104.99
  • MK3 Focus ST ST250 rear anti-roll bar drop link with bushes Genuine Ford - Wayside Performance MK3 Focus ST ST250 rear anti-roll bar drop link with bushes Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus ST ST250 rear anti-roll bar drop link with bushes Genuine Ford

    £99.99
    £99.99
  • MK3 Focus RS / MK3 Focus ST ST250 Clutch Slave Cylinder - Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus RS / MK3 Focus ST ST250 Clutch Slave Cylinder - Genuine Ford

    £129.99
    £129.99
  • Ford Focus MK3 ST Front Brake backing plates - Wayside Performance
    Genuine Ford

    Ford Focus MK3 ST Front Brake backing plates

    £74.99
    £74.99
  • MK3 Focus ST ST250 Genuine Ford Gearbox Transmission Oil - 1 Litre - Wayside Performance
    Genuine Ford

    MK3 Focus ST and RS Genuine Ford Gearbox Transmission Oil - 1 Litre

    £39.99
    £39.99
  • Front Racing Splitter V.2 Ford Focus 3 St (Facelift) - Wayside Performance Front Racing Splitter V.2 Ford Focus 3 St (Facelift) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Front Racing Splitter V.2 Ford Focus 3 St (Facelift)

    £159.00
    £159.00
  • MK3 Focus Focus ST rear drop link bush kit Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus Focus ST rear drop link bush kit Genuine Ford

    £34.99
    £34.99
  • MK3 Focus ST ST250 2.0 Ecoboost turbo to downpipe clamp Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus ST ST250 2.0 Ecoboost turbo to downpipe clamp Genuine Ford

    £69.99
    £69.99
  • Side Skirts Diffusers Ford Focus Mk3 Rs, Mk 3.5 St, Mk 3 St - Wayside Performance Side Skirts Diffusers Ford Focus Mk3 Rs, Mk 3.5 St, Mk 3 St - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Side Skirts Diffusers Ford Focus Mk3 Rs, Mk 3.5 St, Mk 3 St

    £174.00
    £174.00
  • Front Bumper Ford Focus Mk3 Preface (Focus Rs 2015 Look) - Wayside Performance Front Bumper Ford Focus Mk3 Preface (Focus Rs 2015 Look) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Front Bumper Ford Focus Mk3 Preface (Focus Rs 2015 Look)

    From £408.00
    From £408.00
  • RTS Performance Brake Discs – Ford Focus ST250 (MK3), Volvo V40 – 320mm – Front Fitment (RTSBD-1255F) - Wayside Performance
    RTS Performance

    RTS Performance Front Brake Discs – MK3 Focus ST250 – 320mm

    £139.00
    £139.00
    £189.99
  • MK3 Focus ST Front Anti Roll Bar Drop Link Genuine Ford - Wayside Performance MK3 Focus ST Front Anti Roll Bar Drop Link Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus ST Front Anti Roll Bar Drop Link Genuine Ford

    £79.99
    £79.99
  • Focus MK3 ECU Cover Bolts x 4 - Wayside Performance
    Genuine Ford

    Focus MK3 ECU Cover Bolts x 4

    £34.99
    £34.99
  • MK3 Focus ST ST250 Driveshaft Seal - Wayside Performance MK3 Focus ST ST250 Driveshaft Seal - Wayside Performance
    Corteco

    MK3 Focus ST ST250 Driveshaft Seal

    £19.99
    £19.99
  • Pro Hoses Seven-piece Ancillary Hose Kit for Focus Mk3 St 250 - Wayside Performance Pro Hoses Seven-piece Ancillary Hose Kit for Focus Mk3 St 250 - Wayside Performance
    AIRTEC Motorsport

    Pro Hoses Seven-piece Ancillary Hose Kit for Focus Mk3 St 250

    From £182.02
    From £182.02
  • Powerflex Front Lower Wishbone Rear Bushes - Focus MK2 - PFF19-1202 - Wayside Performance Powerflex Front Lower Wishbone Rear Bushes - Focus MK2 - PFF19-1202 - Wayside Performance
    Powerflex

    CLEARANCE — Powerflex Front Lower Wishbone Rear Bushes - Focus MK3 including ST - PFF19-1202

    £85.00
    £85.00
    £100.92
  • Airtec Motorsport De-cat Downpipe for Focus St250 - Wayside Performance Airtec Motorsport De-cat Downpipe for Focus St250 - Wayside Performance
    AIRTEC Motorsport

    Airtec Motorsport De-cat Downpipe for Focus St250

    £249.00
    £249.00
  • Bonnet Extension Ford Focus Mk3 / Mk3 Facelift All Version (2011-2018) - Wayside Performance Bonnet Extension Ford Focus Mk3 / Mk3 Facelift All Version (2011-2018) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Bonnet Extension Ford Focus Mk3 / Mk3 Facelift All Version (2011-2018)

    £174.00
    £174.00
  • Ford Focus MK3 Focus ST ST250 2.0 Ecoboost fuel injector with uprated filter - Wayside Performance
    Genuine Ford

    Ford Focus MK3 Focus ST ST250 2.0 Ecoboost fuel injector

    £169.99
    £169.99
  • MK3 Focus ST ST250 Rear Lambda O2 Sensor Genuine Bosch Post Cat - Wayside Performance
    Bosch

    MK3 Focus ST ST250 Rear Lambda O2 Sensor Genuine Bosch Post Cat

    £129.99
    £129.99
  • Genuine Ford MK3 Focus ST Front Tie Track Rod End - Wayside Performance Genuine Ford MK3 Focus ST Front Tie Track Rod End - Wayside Performance
    Genuine Ford

    Genuine Ford MK3 Focus ST Front Tie Track Rod End

    £79.99
    £79.99

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