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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C

Cloyes Gear & Products

ENGINE TIMING TENSIONER GUIDE

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Cloyes Gear & Products

GUIDE PRIMARY

Ferrea Racing intake system

Ferrea Racing

Ferrea Ford Zetec ZX3 33mm 6.03mm 25 Deg S-Flo +1mm Competition Plus Intake Valve - Single

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 - Single

Ferrea Racing intake system

Ferrea Racing

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

Ferrea Racing springs

Ferrea Racing

Ferrea Ford Zetec ZX3 Dual Valve Spring - Single (Drop Ship Only)

CAM POSITION SENSOR

Dorman

CAM POSITION SENSOR

SPINDLE NUT

Dorman

SPINDLE NUT

Ferrea Racing red springs

Ferrea Racing

Ferrea Ford Zetec ZX3 Spring Seat Locator - Single (Required for S10040)

CAMSHAFT SENSOR

Dorman

CAMSHAFT SENSOR

Ferrea Racing red springs

Ferrea Racing

Ferrea Ford Zetec ZX3 Spring Seat Locator - Single (Required for S10041 / Drop Ship Only)

Ferrea Racing auto part

Ferrea Racing

Ferrea Ford EcoBoost 2.3L 30mm 5.46mm 104.75mm Stk 6000 Series Exh Valve - Single (Drop Ship Only)

CRANKSHAFT SENSOR

Dorman

CRANKSHAFT SENSOR

W

WIX

OIL FILTER

Ferrea Racing exhaust

Ferrea Racing

Ferrea Ford Zetec ZX2 27.96mm 6.012mm 97.16mm 25 Deg Flo Stock Super Alloy Exhaust Valve - Single

Ferrea Racing exhaust

Ferrea Racing

Ferrea Ford Zetec ZX3 28.96mm 6.012mm 97.16mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Single

OIL FILTER MASTER MIN ORDER QTY12

WIX

OIL FILTER MASTER MIN ORDER QTY12

VVT SOLENOID

Dorman

VVT SOLENOID

MAGNETIC CAMSHAFT POSITION SENSOR

Dorman

MAGNETIC CAMSHAFT POSITION SENSOR

D

Dorman

OIL PLUG GASKET - RUBBER

CR4021SIESCORT 1.9 1987/89

King Engine Bearings

CR4021SIESCORT 1.9 1987/89

C

Clevite

SLEEVE ASSEMBLY RING SET

C

Clevite

BIMETAL ROD BEARINGS

C

Clevite

SLEEVE ASSEMBLY RING SET

C

Clevite

MAIN BEARING SET

MAHLE FILTERS

Clevite

MAHLE FILTERS

G

Gates

SYNCHRONOUS BELTS & TIMING COMPONEN

SENSOR CAMSHAFT POSITION

Hella

SENSOR CAMSHAFT POSITION

Ford Contour Escort Focus ZX2 2.0L 122 CID Vin 3 1998-2004 Vin 5 02-04

Mahle

Ford Contour Escort Focus ZX2 2.0L 122 CID Vin 3 1998-2004 Vin 5 02-04

FORDPASS&TRK;MERC:98(1.6L)116(1.9L)140(2.3L)153(2.5L)183(3.0L)AEROSTAR REAR

Clevite

FORDPASS&TRK;MERC:98(1.6L)116(1.9L)140(2.3L)153(2.5L)183(3.0L)AEROSTAR REAR

PWR STEERING PULLEY

Dorman

PWR STEERING PULLEY

M

Mahle

BEARINGS Main Bearing Set IHC Tractor 466 CID 6 cyl Performance H Series. Custom tractor puller

M

Mahle

~(0.3 lbs. 5X4X1)~ Ford-PassandTrkMerc:98(1.6L)116(1.9L)140(2.3L)153(2.5L)183(3.0L)Aerostar

M

Mahle

Ford:1989(1995-2003) FordTrk:1989(2001-2003) MazTrk:1989(2001-2003)

VALVE COVER SET

Clevite

VALVE COVER SET

Ford 4 2.0L DOHC inZetecin 1995-1999. CountourMystiqueFocusCougar2000.

Mahle

Ford 4 2.0L DOHC inZetecin 1995-1999. CountourMystiqueFocusCougar2000.

M

Mahle

Engine Connecting Rod Bearing Set 11-05 FOR 2.0L CB-1840A-.50MM(4)

M

Mahle

BEARINGS Main Bearing Set

C

Clevite

FORD 4 2.0L DOHC ZETEC CONTOUR/MYSTIQUE/ESCORT ZX2/COUGAR 199500. REAR MAIN

C

Clevite

SLEEVE ASSEMBLY RING SET

C

Clevite

EXHAUST VALVE

C

Clevite

SLEEVE ASSEMBLY RING SET

C

Clevite

SLEEVE ASSEMBLY RING SET

C

Clevite

INTAKE VALVE

M

Mahle

Ford:1989(1995-2003) FordTrk:1989(2001-2003) MazTrk:1989(2001-2003)

C

Clevite

VALVE GUIDES

V

Victor Reinz

Engine Camshaft Seal - 81-10522-00

FORD 4 2.0L DOHC ZETEC19982004 TIMING COVER SET

Clevite

FORD 4 2.0L DOHC ZETEC19982004 TIMING COVER SET

G

Gates

Gates Automotive Timing Belt

OIL PRESSURE SWITCH

Hella

OIL PRESSURE SWITCH

M

Mahle

BEARINGS Connecting Rod Bearing Set GMC Pass. and Trk. 262 267 302 305 (5.0L) 307 (5.0L) 327 350 (5.7L)400

FOR FORD ECOBOOST 1.0L M1DA

King Engine Bearings

FOR FORD ECOBOOST 1.0L M1DA

D

Dorman

EXP PLG BRS CUP 1 1/4"SC

Ford-PassandTrkMercury:98(1.6L)116(1.9L)140(2.3L)153(2.5L)183(3.0L)(81-9

Mahle

Ford-PassandTrkMercury:98(1.6L)116(1.9L)140(2.3L)153(2.5L)183(3.0L)(81-9

IDLER PULLEY

Dorman

IDLER PULLEY

M

Mahle

Ford-PassMercury:98(1.6L)116(1.9L)EscortEXPLN7LynxTracer(81-95)CAMSHA

M

Mahle

Ford:1989(1995-2003) FordTrk:1989(2001-2003) MazTrk:1989(2001-2003)

G

Gates

Gates Power Steering Pressure Line Hose Assembly

D

Dorman

VALVE COVER GASKET

CR4507SIMAZDA MZR 2.3L 16V / FORD D

King Engine Bearings

CR4507SIMAZDA MZR 2.3L 16V / FORD D

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