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?

Pick your year and trim to shop verified-fit Ford Focus parts.

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Ford Focus Category engines and components Parts

699 parts available

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

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Ferrea Racing exhaust

Ferrea Racing

Ferrea Ford Zetec ZX3 28.96mm 6.012mm 97.16mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8

Ferrea Racing red springs

Ferrea Racing

Ferrea Ford Zetec ZX3 Spring Seat Locator - Set of 16 (Required for S10040)

F

Ferrea Racing

Ferrea Ford Zetec ZX2 Single Valve Spring - Set of 16

Ferrea Racing springs

Ferrea Racing

Ferrea Ford Zetec ZX3 Dual Valve Spring - Set of 16

Ferrea Racing springs

Ferrea Racing

Ferrea Ford EcoBoost 2.3L Single Valve Spring - Set of 16

Ferrea Racing auto part

Ferrea Racing

Ferrea Ford Ecoboost 2.3L 5.5mm Radial Groove Steel Valve Locks - Set of 16

Cloyes Gear & Products auto part

Cloyes Gear & Products

ENGINE TIMING CHAIN KIT

Ferrea Racing auto part

Ferrea Racing

Ferrea Ford DURATEC 23E 30.96mm 5.47mm 104.78mm 20 Deg Flo +1mm Comp Plus Exh Valve - Set of 8

Ferrea Racing auto part

Ferrea Racing

Ferrea Ford DURATEC 23E 29.96mm 5.47mm 104.78mm 20 Deg Flo Stk Comp Plus Exh Valve - Set of 8

Ferrea Racing intake system

Ferrea Racing

Ferrea Ford Zetec ZX3 33mm 6.03mm 25 Deg S-Flo +1mm Competition Plus Intake Valve - Set of 8

Dorman auto part

Dorman

HARMONIC BALANCER

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

UPR Products

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

Cloyes Gear & Products auto part

Cloyes Gear & Products

TIMING CHAIN KIT, 2005-2007/FORD, M

Ferrea Racing titanium springs

Ferrea Racing

Ferrea Ford EcoBoost 2.3L Single Spring 7 Deg Pro CNC Titanium Retainer - Set of 16

Cloyes Gear & Products auto part

Cloyes Gear & Products

ENGINE TIMING CHAIN KIT

Cloyes Gear & Products auto part

Cloyes Gear & Products

ENGINE TIMING CHAIN KIT

Ferrea Racing exhaust

Ferrea Racing

Ferrea Ford Zetec ZX3 28.96mm 5.500mm 97.16mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8

C

Clevite

CYL SLEEVE ASSEMBLY

Clevite auto part

Clevite

STARTER MOTOR 24V 3.2KW

JE Pistons auto part

JE Pistons

FORD 2.0L ECOBOOST - 87.50MM/.886/-

J

JE Pistons

FORD 1.6L ECOBOOST - 79.50MM/.827/-

JE Pistons auto part

JE Pistons

FORD ST 2.5 8.5 KIT

M

Mahle

Engine Crankshaft Main Bearing Set MS-909F-1

M

Mahle

FORD (2.0L) DOHC 16v 4cyl ECOBOOST. (2012-2015) VIN ft9ft

Dorman auto part

Dorman

OIL PAN 2.0 FOCUS

Carrillo auto part

Carrillo

F_BEB23_0HS_5878B6S

C

Clevite

PISTON WITH RINGS

C

Clevite

FORD PRODUCTS 4 2.0L SOHC FOCUS 20002003 HEAD SET

JE Pistons auto part

JE Pistons

CHEVY SB 350 PRO LATE MODEL -1.7CC

Boomba Racing Focus ST Stage 1 Oil Catch Can Kit (CCV) Blue

Boomba Racing

Boomba Racing Focus ST Stage 1 Oil Catch Can Kit (CCV) Blue

C

Clevite

CYL SLEEVE ASSEMBLY

King Connecting Rod Bearing Ford 2.0 2.3L EcoBoost Mazda L3-VDT MZR DISI Turbo

King Engine Bearings

King Connecting Rod Bearing Ford 2.0 2.3L EcoBoost Mazda L3-VDT MZR DISI Turbo

C

Clevite

PISTON WITH RINGS

G

Gates

Gates Steel V-Ribbed 6 Grooved (52 mm x 16 mm x 40 mm) - Flanged w/ Dust Cap

OIL PAN

Dorman

OIL PAN

JE Pistons auto part

JE Pistons

WISECO PISTON KIT FORD 1.6L 16V ECO

B

Boomba Racing

Boomba Racing Focus ST Stage 1 Oil Catch Can Kit (CCV) Natural

NTK EC0262 CAM/CRANK POSITION SENSOR

NGK

NTK EC0262 CAM/CRANK POSITION SENSOR

C

Carrillo

Piston Acura Honda K24 w K20A A2 A3 4 Cyl Bore (in) 3.465 Bore (mm) 88 Size 1.0mm Stroke 99 (SET OF 4 )

B

Boomba Racing

Boomba Racing KONA N STAGE 2 CATCH CAN KIT-NATURAL

Clevite auto part

Clevite

ALTERNATOR 14V 150A

B

Boomba Racing

ELANTRA GT N-LINE STAGE 1 CATCH CAN KIT - RED

JE Pistons auto part

JE Pistons

WISECO PISTON KIT FORD 1.6L 16V ECO

C

Clevite

ARMATURE

C

Clevite

ALTERNATOR 14V 120A

Ford 2.0L SOHC DOHC Vin BP5 1997-2004

Mahle

Ford 2.0L SOHC DOHC Vin BP5 1997-2004

M

Motul

**CALL FOR PRICING***SPECIFIC FORD 948B 5W20- 208 L drum

Gates Power Steering Pressure Line Hose Assembly

Gates

Gates Power Steering Pressure Line Hose Assembly

B

Boomba Racing

ELANTRA GT N-LINE STAGE 2 CATCH CAN KIT - BLACK

Boomba Racing black catch can

Boomba Racing

CIVIC X STAGE 1 CATCH CAN KIT - BLACK

M

Manley Performance

Manley ROD-FORD EcoBoost 2.3L T/T EA

JE Pistons auto part

JE Pistons

FORD 2.3L ECOBOOST

C

Clevite

VOLVO 6 CYLINDER LOWER SET; 2.8L B6284T (9902) 2.9L B6294S (0003) CONVERSION

M

Manley Performance

Manley ROD-FORD EcoBoost 2.3L T/T ST

C

Clevite

GM 4.6L VIN A (20042009) CONVERSION SET

C

Clevite

RADIATOR

C

Clevite

STATOR

C

Clevite

ARMATURE

Mahle auto part

Mahle

Engine Piston Ring Set 315-0169.005

PIST-FORD 2.3L 8.2CC DISH E/D

Manley Performance

PIST-FORD 2.3L 8.2CC DISH E/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