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

READY TO BUILD YOUR FORD FOCUS?

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Ford Focus Category:engines and components Parts

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Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.

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Supertech black intake system

Supertech

Supertech Ford Focus Zetec 2.0L Black Nitrided Intake Valve - Single

Supertech black intake system

Supertech

Supertech Ford Focus Zetec 2.0L Black Nitrided Intake Valve - +2mm Oversize - Single

Supertech black intake system

Supertech

Supertech Ford Ecoboost 2.3L Black Nitrided Intake Valve - STD Size - Single

Wiseco auto part

Wiseco

Wiseco 83.50MM RING SET Ring Shelf Stock

Clevite auto part

Clevite

Clevite Ford 4 2.3L DOHC 2003-2009 Performance Con Rod Bearing Set

ACL auto part

ACL

ACL AU- Ford Prod. 4 2.0L Zetec 1995-04 Engine Connecting Rod Bearing Set

ACL auto part

ACL

ACL Ford Prod. 4 2.0L Duratec 2005-on Engine Connecting Rod Bearing Set

ACL auto part

ACL

ACL Mazda 4 2209cc Diesel 1982-85 Engine Crankshaft Main Bearing Set

ACL auto part

ACL

ACL AU- Ford Prod. 4 2.0L Zetec 1995-04 Engine Connecting Rod Bearing Set

ACL auto part

ACL

ACL 95-04 Ford 4 2.0L Zetec 0.75mm Oversized Rod Bearing Set

ACL auto part

ACL

ACL AU- Ford Prod. 4 2.0L Zetec 1995-04 Engine Connecting Rod Bearing Set

ACL auto part

ACL

ACL 95-04 Ford 4 2.0L Zetec Standard Size Rod Bearing Set

ACL auto part

ACL

ACL 95-04 Ford 4 2.0L Zetec 0.50mm Oversized Rod Bearing Set

ACL auto part

ACL

ACL 95-04 Ford 4 2.0L Zetec 0.25mm Oversized Rod Bearing Set

aFe oil filter

aFe

aFe Pro GUARD D2 Oil Filter 2.9in OD x 2.9in HT

aFe oil filter

aFe

aFe 06-15 Mazda MX-5 Miata ProGuard HD Oil Filter - 4 Pack

I

Italian RP

Italian RP - IRPR065

Mahle Engine Crankshaft Main Bearing Set MS-2245A-.25MM

Mahle

Mahle Engine Crankshaft Main Bearing Set MS-2245A-.25MM

S

STANDARD IGN

ENGINE VARIABLE VALVE TIMING SPROCK

D

DAYCO HYDRAULIC

BALANCER

S

STANDARD IGN

ENGINE VVT SPROCKET

S

STANDARD IGN

ENGINE VVT SPROCKET

SEALED POWER auto part

SEALED POWER

RE-RING KIT PRM. RINGS

SEALED POWER auto part

SEALED POWER

MAIN BEARING SET

STANDARD IGN auto part

STANDARD IGN

VEHICLE SPEED SENSOR

M

MOTORAD

COOLANT TEMPERATURE SENDER

SEALED POWER auto part

SEALED POWER

BLOCK KIT WITH PREM RINGS

SEALED POWER auto part

SEALED POWER

MAIN BEARING SET

A

ATK ENGINES

FORD 2.0 2000-04 FWD ENG

C

CARVER

99-00 BOSTON WHALER DTS. 14 W/BOW R

A

ATK ENGINES

FORD 2.0 02-03 SVT ENG

A

ATK ENGINES

FORD 2.0 2000-04 CYL HEAD

A

ATK ENGINES

FORD 2.0 02-03 SVT HEAD

A

ATK ENGINES

FORD 1.6 11-13 CYL HEAD

A

ATK ENGINES

FORD 07-09 RGT KNEE

ATK ENGINES auto part

ATK ENGINES

FORD 2.0 12-14 GDI HEAD

A

ATK ENGINES

FORD 1.6 EOBOOST GDI HEAD

A

ATK ENGINES

FORD 1.6 ECOBOOST GDI HEAD

Crower springs

Crower

Valve Springs - 1.045

C

CP-E (Custom Performance Engineering)

cp-e MZR 2.3 DISI SAFEseal Injector Seals Mazdaspeed3 2007-2013 / Mazdaspeed6 2006-2007

Mountune, LLC (USA) auto part

Mountune, LLC (USA)

mountune Oil Control Baffle w/ Balance Shaft Delete 2013-2014 Focus ST

T

Trans-Dapt

SWAP IN A BOX KIT: LS TH350/700R4 I

S

SCE Gaskets

DYNO PAK FORD 2.3L MOLDED VALV E COVER

D

Dana

BRAKE ASSY

D

Derale

TIMING KIT' 99 - 04 FORD 2.0L

Ferrea Racing auto part

Ferrea Racing

Ferrea Ford EcoBoost 2.3L 30.5mm 5.46mm 104.75mm 25 Deg Taper Flo +.5mm Comp Plus Exh Valve-Set of 8

Ferrea Racing intake system

Ferrea Racing

Ferrea Ford EcoBoost 2.3L 33mm 5.47mm 103.55mm 22 Deg S-Flo +.5mm Comp Plus Intake Valve - Set of 8

C

Cloyes Gear & Products

TIMING BELT

HARMONIC BALANCER

Dorman

HARMONIC BALANCER

Ferrea Racing intake system

Ferrea Racing

Ferrea Ford Zetec ZX3 32mm 6.03mm 97.55mm 25 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8

~(1 lbs. 14X8X6)~ 16-17 Focus RS 2.3 - Black

UPR Products

~(1 lbs. 14X8X6)~ 16-17 Focus RS 2.3 - Black

CAM PHASER

Dorman

CAM PHASER

D

Dorman

HARMONIC BALANCER ASSEMBLY

Ferrea Racing exhaust

Ferrea Racing

Ferrea Ford EcoBoost 2.3L 30mm 5.46mm 104.75mm 25 Deg Taper Flo Stk Comp Plus Exhaust Valve-Set of 8

WIX XP OIL FILTER

WIX

WIX XP OIL FILTER

Kelford Cams springs

Kelford Cams

Kelford FORD DURATEC 2.0L BEEHIVE SPRING SET

Ferrea Racing intake system

Ferrea Racing

Ferrea Ford EcoBoost 2.3L 32.5mm 5.47mm 103.55mm 22 Deg S-Flo Stk Comp Plus Intake Valve - Set of 8

Ferrea Racing intake system

Ferrea Racing

Ferrea Ford Zetec ZX3 33mm 5.5mm 25 Deg S-Flo +1mm Competition Plus Intake Valve - Set of 8

Ferrea Racing springs

Ferrea Racing

Ferrea Ford Coyote 5.0L Single Beehive Ovate Valve Spring - Set of 32

Ferrea Racing titanium springs

Ferrea Racing

Ferrea Ford ZX2 Single & Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 16

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.

MOTORMIA APP

Build your Ford Focus with Mia

Personalized Ford Focus mod recommendations, verified fitment from real Focus owners, and a garage that tracks every part on your build.

  • Mod recommendations tuned to your Focus year, trim, and submodel
  • Verified fitment data from 2,000+ Ford Focus member builds
  • Performance gain estimates based on real-world results
  • Save your garage and track every part you've installed