ST AND RS — FORD'S HOT HATCH

From the original SVT Focus to the EcoBoost ST and RS — Ford's compact performance answer.

Ford Focus HERITAGE

FORD'S HOT-HATCH HERITAGE

The Ford Focus became Ford's compact-platform performance car. The original SVT Focus (2002–2004) launched the lineage; the EcoBoost-era ST (2.0L turbo) brought it mainstream; the limited Focus RS (2.3L EcoBoost with AWD) became the hot-hatch enthusiasts begged for.

MOTORMIA Focus builds split between SVT first-gens, ST 2.0T bolt-ons, and RS AWD turbo monsters with stage-3 tunes, fuel-system upgrades, and built turbos. The EcoBoost engine shares aftermarket with the Mustang EcoBoost.

Ford Focus ON MOTORMIA

THE NUMBERS

2,833
Parts that fit
2,000+
MOTORMIA Builds
EBC
#1 brand by SKUs
$551
Average MSRP

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Ford Focus Category:engines and components Parts

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Supertech

Supertech Ford/Volvo 5Cyl B5254T 28x5.95x103.3mm Inconel Exhaust Valve - Set of 10

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Supertech

Supertech Ford/Volvo 5Cyl B5254T 27x5.95x103.3mm Inconel Exhaust Valve - Set of 10

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Gates

Gates 00-04 Ford Focus 4-Cyl. 2.0L Cam. Belt Automotive Timing Belt

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Supertech

Supertech Ford Ecoboost 2.3L Inconel Hollow Sodium Filled Flat Face Exhaust Valve - Set of 8

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Mahle

Mahle Rings Ford 122 2.0L SOHC 1997-99 Plain Ring Set

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Supertech

Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit

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Gates

Gates 99-00 Ford Contour 4 Cyl 2.0L Serpentine Belt Kit

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Supertech

Supertech Mazda/Ford Duratec 2.0L/2.3L Inconel Exhaust Valve - +1mm Oversize - Set of 8

Mahle auto part

Mahle

Mahle Rings Ford 2.0L GTDI Duratec Turbo / Non Turbo 2011-2015 Moly Ring Set

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Supertech

Supertech Ford Zetec 85.5mm Bore 1.161in Comp Height -9cc Dish 8.7:1 CR Pistons - Set of 4

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Supertech

Supertech Ford 2.0L/2.3L 87.5mm Bore -2cc Dome Flat 11.6:1/10.4:1 CR Pistons - Set of 4 (Excl Rings)

Supertech auto part

Supertech

Supertech Ford Ecoboost 2.0T 87.5mm Bore 32.75mmComp Height -7cc Dome 9.3:1 CR Pistons - Set of 4

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Supertech

Supertech Mazda MZR / Ford Duratec 2.0L/2.3L Inconel Exhaust Valve - Set of 8

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Supertech

Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm

Gates auto part

Gates

Gates 08-11 Ford Focus 4 Cyl 2.0L Serpentine Belt Kit

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Supertech

Supertech Ford Ecoboost 2.3T 88mm Bore 32.75mm Comp Height -6.3cc Dome Pistons - Set of 4

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Supertech

Supertech Ford Ecoboost 2.0T 88mm Bore 32.75mm Comp Height -7cc Dome 9.3:1 CR Pistons - Set of 4

Mahle Rings Ford 1989CC 2.0L ZETEC DOHC 16 Valve 1995-97 Plain Ring Set

Mahle

Mahle Rings Ford 1989CC 2.0L ZETEC DOHC 16 Valve 1995-97 Plain Ring Set

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Supertech

Supertech Ford EcoBoost 1.6L Sodium Filled Inconel Exhaust Valve - Set of 8 (Use w/KPR-5.0/7S)

Supertech Ford Focus Zetec 2.0L Black Nitrided Intake Valve - Set of 8

Supertech

Supertech Ford Focus Zetec 2.0L Black Nitrided Intake Valve - Set of 8

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Supertech

Supertech Ford Ecoboost 2.3T 87.5mm Bore 32.75mm Comp Height -6.3cc Dome 9.5:1 CR Pistons - Set of 4

Gates auto part

Gates

Gates 2007-05 Ford Focus 2.0L 4-Cyl Serpentine Micro-V Belt

Boundary auto part

Boundary

Ford Zetec Billet Oil Pump Assembly I4 2.0L 1996-2004 High Flow Billet Gear

Supertech 5.5mm Valve Lock 7 Degrees - Set of 32 (Req 2 Per Valve)

Supertech

Supertech 5.5mm Valve Lock 7 Degrees - Set of 32 (Req 2 Per Valve)

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Mahle

Mahle OE Ford 1989cc 2.0L SOHC Vin P 1997-2004 Focus 00-04 / Escort 97-02 .020 Piston Set (Set of 4)

Supertech red exhaust

Supertech

Supertech M/F Duratec 2.3L Inconel Exhaust Valve +1mm Oversize-Set of 8 (6MM stem with tapered tip)

Mahle Rings Ford 2.0L GTDI Duratec Turbo / Non Turbo 2011-2015 Moly Ring Set

Mahle

Mahle Rings Ford 2.0L GTDI Duratec Turbo / Non Turbo 2011-2015 Moly Ring Set

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Supertech

Supertech Ford ECOBOOST 1.5L/1.6L Beehive Valve Spring Kit

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Gates

Gates 05-06 Ford Focus 4 Cyl 2.0L Serpentine Belt Kit

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Carrillo

Carrillo Ford Ecoboost 2.3L Pro-H 3/8 CARR Bolt Connecting Rods (Set of 4)

Supertech auto part

Supertech

Supertech Ford/Mazda 2.3L 87.5mm Bore 1.122in Comp Height -6cc Dome 11:1 CR Pistons - Set of 4

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Mahle

Mahle Rings Ford 2.0L GTDI Duratec Turbo / Non Turbo 2011-2015 Moly Ring Set

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Supertech

Supertech Titanium Retainer for Mini R56 - Set of 16 (Fits OEM Spring or SPR-MC56BE)

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Supertech

Supertech 05-15 Ford Focus 2.0L Dual Valve Spring Kit

Mahle OE Ford 1989cc 2.0L SOHC Vin P 1997-2004 Focus 00-04 / Escort 97-02 Piston Set (Set of 4)

Mahle

Mahle OE Ford 1989cc 2.0L SOHC Vin P 1997-2004 Focus 00-04 / Escort 97-02 Piston Set (Set of 4)

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Brian Crower

Brian Crower Ford 2.3L Eco Boost 30mm Exhaust Valves (Set of 8)

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Mahle

Mahle Rings Ford 2.3L DOHC Duratech 2001-2006 Vin Z D Chrome Ring Set

Supertech black intake system

Supertech

Supertech Ford Ecoboost 2.0-2.3L Black Nitrided Intake Valve - Set of 8

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Brian Crower

Brian Crower Mazda MZR Stage 2+ Camshafts - Modified Engine Spec

Gates auto part

Gates

Gates 07-11 Ford Focus 4 Cyl 2.0L Serpentine Belt Kit

Supertech Mazda/Ford Duratec 2.0L/2.3L Black Nitrided Exhaust Valve - Set of 8

Supertech

Supertech Mazda/Ford Duratec 2.0L/2.3L Black Nitrided Exhaust Valve - Set of 8

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Supertech

Supertech Ford EcoBoost 2.0L/2.3L Sodium Filled Inconel Exhaust Valve - Set of 8

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Mahle

Mahle OE Ford 1989cc 2.0L SOHC Vin P 1997-2004 Focus 00-04 / Escort 97-02 .040 Piston Set (Set of 4)

Mahle Rings Ford 122 2.0L SOHC 1997-99 Plain Ring Set

Mahle

Mahle Rings Ford 122 2.0L SOHC 1997-99 Plain Ring Set

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Mahle

Mahle Rings Ford 2.0L GTDI Duratec Turbo / Non Turbo 2011-2015 Moly Ring Set

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Mahle

Mahle Rings Ford Pass 122 2.0L DOHC Zetec 1995-2003 Contour/Mystique/Escort ZX2 Moly Ring Set

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Supertech

Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat)

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Gates

Gates 13-17 Ford Focus 4 Cyl 2.0L Serpentine Belt Kit

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Gates

Gates 06-10 Dodge Charger / 05-06 Mazda Tribute / 05-07 Ford Escape / 05-08 F Series PU Micro-V Belt

Mahle Rings Ford 2.0L 4 Cyl VIN P 1997-2003 Moly Ring Set

Mahle

Mahle Rings Ford 2.0L 4 Cyl VIN P 1997-2003 Moly Ring Set

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Supertech

Supertech Mazda/Ford Duratec 2.0L/2.3L Inconel Exhaust Valve - Set of 8

Gates auto part

Gates

Gates 03-04 Ford Focus 4 Cyl 2.0L Serpentine Belt Kit

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Supertech

Supertech Mazda/Ford Duratec 2.0L/2.3L Black Nitrided Intake Valve - +2.5mm Oversize -Set of 8

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Mahle

Mahle Rings Ford 2.3L DOHC Duratech 2001-2006 Vin Z D Chrome Ring Set

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Mahle

Mahle OE Ford 1989cc 2.0L SOHC Vin P 1997-2004 Focus 00-04 / Escort 97-02 .030 Piston Set (Set of 4)

Gates auto part

Gates

Gates 99-03 Ford Escort Timing Belt Component Kit

Supertech Mazda/Ford Duratec 2.0L/2.3L Black Nitrided Intake Valve - +1mm Oversize - Set of 8

Supertech

Supertech Mazda/Ford Duratec 2.0L/2.3L Black Nitrided Intake Valve - +1mm Oversize - Set of 8

Supertech Ford Ecoboost 2.3L Black Nitrided Intake Valve - STD Size - Set of 8

Supertech

Supertech Ford Ecoboost 2.3L Black Nitrided Intake Valve - STD Size - Set of 8

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Supertech

Supertech Ford/Mazda DURATEC 2.0L/2.3L Single Beehive Valve Spring Kit

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Gates

Gates 01-04 Ford Escape/00-04 Focus / 01-04 Mazda Tribute Timing Belt Component Kit

FAQ

Frequently Asked Questions About the Ford Focus

What are the best aftermarket parts brands for the Ford Focus?

The top brands MOTORMIA owners trust for Ford Focus builds are EBC, PowerStop, Mishimoto, Magnaflow, and H&R. The catalog carries 2,833 parts that fit the Focus. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.

What's the best trim or sub-model of the Ford Focus to modify?

The most-modified Focus trims are SVT Focus, ST, RS. These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the Focus's engine family (Zetec 2.0 (SVT), 2.0L EcoBoost (ST), 2.3L EcoBoost (RS)) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.

What's the typical mod path for a Ford Focus?

For most Ford Focus builds, the recommended modification order is: ECU tune → intake → downpipe → turbo upgrade → fuel system. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Ford Focus builds at every power level.

How does the Ford Focus aftermarket compare to the Volkswagen Golf GTI / Honda Civic Si?

The Ford Focus is Ford's compact hot-hatch with the SVT, ST, and RS performance variants. On MOTORMIA, 2,833 parts fit the Focus across 2,000+ active member builds, with an average part MSRP of $551. The decision usually comes down to which platform you own — both have full bolt-on catalogs.

Will any Ford Focus part fit my year and trim?

Not always. The Ford Focus has had multiple generations and engine changes (e.g., Zetec 2.0 (SVT), 2.0L EcoBoost (ST), 2.3L EcoBoost (RS)), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the Focus a part fits. Use the fitment selector at the top of any page to pre-filter to your build.

Does MOTORMIA offer returns on Ford Focus parts?

Yes. Most Ford Focus parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.

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Build your Ford Focus with Mia

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  • Mod recommendations tuned to your Focus year, trim, and submodel
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  • Performance gain estimates based on real-world results
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