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 ignitions and electrical Parts
362 parts available
Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.

RaceChip
PERFORMANCE TUNING CHIP - RS + APP

Denso
DENSO FIRST TIME FIT STARTER MOTOR

Denso
DIRECT IGNITION COIL OE QUALITY

NGK
IGNITION KNOCK (DETONATION) SENSOR
Bosch
CRANKSHAFT REAR SEAL REMOVER

SCT Performance
9613 FORD CARS & TRUCKSGAS & DIESEL ITSX/TSX PROGRAMMER FOR IPHONE & ANDROID EO PROGRAMMER
Denso
SPARK PLUG

Ford Racing
MOUNTUNE INTERCOOLER BLK - FOCUS ST
NGK
MANIFOLD ABSOLUTE PRESSURE SENSOR

Bosch
RE ALTERNATOR
Denso
REMANUFACTURED DENSO FIRST TIME FIT
Bosch
RE ALTERNATOR

Dorman
ALTERNATOR PULLEY

Denso
REMANUFACTURED DENSO FIRST TIME FIT

Dorman
CLOCK SPRING

NGK
SUSPENSION RIDE HEIGHT SENSOR

NGK
NGK Spark Plug Stock # 95605

Bosch
REMAN ALTERNATOR

Denso
DENSO FIRST TIME FIT STARTER MOTOR
Dorman
REMAN PCM
RaceChip
PERFORMANCE TUNING CHIP - RS + APP
HP Tuners
HPT MPVI4 w/Pro Feature Set + 8 Universal Credits (*Pro Link+ Cable Sold Separately*)

Odyssey
Odyssey Battery Auto/Truck/Heavy Duty & Commercial Performance AGM Battery (48-720)

Odyssey
Odyssey Battery Auto/Truck Performance AGM Battery (96R-600)

MSD
Super Conductor Spark Plug Wire Set 98-01 Ford Zx-2, 2.0L, 4 Cyl The MSD 8.5Mm Super Conductor Wire Is The Performance Wire MSD Ignition

MSD
MSD Ignition Coil Ford Ecoboost 2.0L/2.3L L4 Blue 4-Pack 2012-2019 Ford Ecoboost 2.0L/2.3L MSD Ignition

MSD
MSD Ignition Coil Ford Ecoboost 2.0L/2.3L L4 Black 4-Pack 2012-2019 Ford Ecoboost 2.0L/2.3L MSD Ignition

MSD
MSD Ignition Coil Ford Ecoboost 2.0L/2.3L L4 Red 4-Pack 2012-2019 Ford Ecoboost 2.0L/2.3L MSD Ignition
COBB
Cobb 16-18 Ford Focus RS Stage 1 Power Package
COBB
Cobb 16-18 Ford Focus RS Stage 2 Power Package - Silver

Pedal Commander
Pedal Commander Ford Fiesta/Land Rover Freelander/Mazda 2 Throttle Controller

Pedal Commander
Pedal Commander Hyundai/Kia Throttle Controller

Diode Dynamics
Diode Dynamics 28mm SMF2 LED Bulb - Red (Pair)

Diode Dynamics
Diode Dynamics 194 LED Bulb SMD2 LED - Green (Pair)

Putco
Putco Plug and Play Load Resistor System - Fits 194/921

Putco
Putco Pro-Lux Zero Space LED Kit H10 (Pair)

Putco
Putco Plug and Play Load Resistor System - Fits 7440

GrimmSpeed
GrimmSpeed 16+ Ford Focus RS Lightweight Battery Mount

Torque Solution
Torque Solution Stubby Billet Antenna: Ford Focus 2008-2011

Hella
Hella Bulb 9007 12V 65/55W Px29T T4625 +50(2)

Ford Racing
Ford Racing 2013-2014 Focus ST Calibration with Spark Plugs

JBA Performance Exhaust
JBA 00-03 Ford Focus 2.0L Zetec Ignition Wires - Blue

Ford Racing
Ford Racing Service Part Replacement Dongle For Procal3

Hella
Hella Bulb H13 12V 60/55W P264T T4 +50

COBB
Cobb Ford Focus RS AccessPORT V3

Hella
Hella Twin Trumpet Horn Kit 12V - Ford

Hella
Hella Bulb 3156 12V 27W W2.5x16d S8

Ford Racing
Ford Racing FRPP Cold Spark Plug Set 2.0L Ecoboost

Hella
Hella Xen Ballast Unit Gen 3 12V 90 Deg

Hella
Hella Plug Bulb H4 W/ Snap Lock 10/Box (Min Order Qty 10)

Mishimoto
Mishimoto 15+ Ford Mustang EcoBoost 2.3L / 12-18 Ford Focus ST Ignition Coil Set of 4

Hella
Hella Bulb H1 12V 55W P145S T25 (2)

Oracle Lighting
Oracle 15-17 Ford Focus RS/ST DRL Upgrade w/ Halo Kit - ColorSHIFT w/ BC1 Controller

COBB
Cobb Ford 13-14 Focus ST / 14-15 Fiesta ST AccessPORT V3
SCT Performance
SCT Ford Cars & Trucks (Gas & Diesel) X4 Power Flash Programmer EO Certified

Banks Power
PedalMonster, Throttle Sensitivity Booster, Standalone for many Cadillac, Chevy/GMC, Chrysler, Dodge/Ram, Ford, Jeep, Lincoln, Mazda

NGK
NGK Iridium Long Life Spark Plug Box of 4 (IR6F-13)

NGK
NGK Mercedes-Benz CLS63 AMG 2013-2012 Direct Fit 5-Wire Wideband A/F Sensor

NGK
NGK Single Iridium Spark Plug Box of 4 (LTR5IX-11)

NGK
NGK G-Power Spark Plug Box of 4 (TR55-1GP)
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