Ford Focus ST Ecoboost

HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Its Pull-Type relief design ensures stable...

Routine Maintenance. It is recommended to replace your old spark plugs every 30,000 to 45,000 miles as part of your Mustangs routine maintenance. Old, fouled, or damaged spark plugs can rob your Mustang of power and fuel efficiency, so replace them...

Routine Maintenance. It is recommended to replace your old spark plugs every 30,000 to 45,000 miles as part of your vehicle routine maintenance. Old, fouled, or damaged spark plugs can rob your vehicle of power and fuel efficiency, so replace...

The Spark Plug Serious Enthusiasts Rely on. Designed specifically for the performance enthusiast.  Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling Fine Iridium tip ensures...

The Spark Plug Serious Enthusiasts Rely on. Designed specifically for the performance enthusiast.  Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling Fine Iridium tip ensures...

Head Diam: 33.00mm Stem Diam: 5..45mm Length: 104.7mm Material: Inconel Comment: single groove Valve Type: Intake

Supertech Black Nitrided intake Valve Head Diam: 32.5mm Stem Diam: 5.47mm Length: 103.3mm Material: Black Nitrided Single groove Valve Type: Intake Dish face. Single Groove must be used with keeper - KPR-5.0/7S Engines: Ford -...

Valve seal

Titanium Retainer

  Type: Dual Spring OutSpr.OD: 27.50mm OutSpr.ID: 20.00mm InnSpr.OD: 20.00m InnSpr.ID: 15.20mm Press.Seat: 70lbs @36.20mm Press.Open: 190 @10mm Max Lift: 12.90mm Coil Bind: 20.70mm Rate: 12.10mm

Type: Dual Spring Press.Seat: 77lbs @34.30mm Max Lift: 14.30mm Coil Bind: 20.00mm Rate: 9.60 lbs/mm Retainer: RET-TS5.5/T1 Spring: SPR-TS1012 Seat Locator: SEAT-DUR1

  Type: Dual Spring Press.Seat: 84lbs @34.30mm Max Lift: 13.60mm Coil Bind: 20.70mm Rate: 12.10 lbs/mm Retainer: RET-TS.5/T1 Seat Locator: SEAT-DUR1 Spring: SPR-TS1015-FE2   PRICE SET FOR EACH

Type: Conical Press.Seat: 72lbs @37.2mm Max Lift: 12.00mm Coil Bind: 23.00mm Rate: 7.70 lbs/mm Retainer: USE OEM RETAINER Spring : SPR-FE20BE Seat Locator : USE OEM LOCATOR

Have a non-USDM Focus ST? No Problem! Now our intercooler includes a free adapter that will work with non-USDM MAP sensors. After months of engineering and development, cp-e™ is proud to release the ΔCore Front Mount Intercooler for...

After months of engineering and development, cp-e™ is proud to release the Lightweight ΔCore Front Mount Intercooler for the Focus ST. The stock intercooler does an excellent job for the everyday driver that doesn’t want to modify...