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
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
CATEGORIES
Top product categories for the Ford Focus
BRANDS
Top brands for Ford Focus builds
READY TO BUILD YOUR FORD FOCUS?
Pick your year and trim to shop verified-fit Ford Focus parts.
Shop all Ford Focus parts →Verified Fitment
Ford Focus Category engines and components Parts
699 parts available
Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.

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
Ferrea Ford Zetec ZX3 Spring Seat Locator - Set of 16 (Required for S10040)
Ferrea Racing
Ferrea Ford Zetec ZX2 Single Valve Spring - Set of 16

Ferrea Racing
Ferrea Ford Zetec ZX3 Dual Valve Spring - Set of 16

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

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

Cloyes Gear & Products
ENGINE TIMING CHAIN KIT

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

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

Dorman
HARMONIC BALANCER

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

Cloyes Gear & Products
TIMING CHAIN KIT, 2005-2007/FORD, M

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

Cloyes Gear & Products
ENGINE TIMING CHAIN KIT

Cloyes Gear & Products
ENGINE TIMING CHAIN KIT

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

Clevite
STARTER MOTOR 24V 3.2KW

JE Pistons
FORD 2.0L ECOBOOST - 87.50MM/.886/-
JE Pistons
FORD 1.6L ECOBOOST - 79.50MM/.827/-

JE Pistons
FORD ST 2.5 8.5 KIT
Mahle
Engine Crankshaft Main Bearing Set MS-909F-1
Mahle
FORD (2.0L) DOHC 16v 4cyl ECOBOOST. (2012-2015) VIN ft9ft

Dorman
OIL PAN 2.0 FOCUS

Carrillo
F_BEB23_0HS_5878B6S
Clevite
PISTON WITH RINGS
Clevite
FORD PRODUCTS 4 2.0L SOHC FOCUS 20002003 HEAD SET

JE Pistons
CHEVY SB 350 PRO LATE MODEL -1.7CC

Boomba Racing
Boomba Racing Focus ST Stage 1 Oil Catch Can Kit (CCV) Blue
Clevite
CYL SLEEVE ASSEMBLY

King Engine Bearings
King Connecting Rod Bearing Ford 2.0 2.3L EcoBoost Mazda L3-VDT MZR DISI Turbo
Clevite
PISTON WITH RINGS
Gates
Gates Steel V-Ribbed 6 Grooved (52 mm x 16 mm x 40 mm) - Flanged w/ Dust Cap

Dorman
OIL PAN

JE Pistons
WISECO PISTON KIT FORD 1.6L 16V ECO
Boomba Racing
Boomba Racing Focus ST Stage 1 Oil Catch Can Kit (CCV) Natural

NGK
NTK EC0262 CAM/CRANK POSITION SENSOR
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 )
Boomba Racing
Boomba Racing KONA N STAGE 2 CATCH CAN KIT-NATURAL

Clevite
ALTERNATOR 14V 150A
Boomba Racing
ELANTRA GT N-LINE STAGE 1 CATCH CAN KIT - RED

JE Pistons
WISECO PISTON KIT FORD 1.6L 16V ECO
Clevite
ARMATURE
Clevite
ALTERNATOR 14V 120A

Mahle
Ford 2.0L SOHC DOHC Vin BP5 1997-2004
Motul
**CALL FOR PRICING***SPECIFIC FORD 948B 5W20- 208 L drum

Gates
Gates Power Steering Pressure Line Hose Assembly
Boomba Racing
ELANTRA GT N-LINE STAGE 2 CATCH CAN KIT - BLACK

Boomba Racing
CIVIC X STAGE 1 CATCH CAN KIT - BLACK
Manley Performance
Manley ROD-FORD EcoBoost 2.3L T/T EA

JE Pistons
FORD 2.3L ECOBOOST
Clevite
VOLVO 6 CYLINDER LOWER SET; 2.8L B6284T (9902) 2.9L B6294S (0003) CONVERSION
Manley Performance
Manley ROD-FORD EcoBoost 2.3L T/T ST
Clevite
GM 4.6L VIN A (20042009) CONVERSION SET
Clevite
RADIATOR
Clevite
STATOR
Clevite
ARMATURE

Mahle
Engine Piston Ring Set 315-0169.005

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