Focus ST Quaife Differential Installation Kit INSTALLATION INSTRUCTIONS NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF FORD RACING PERFORMANCE PARTS. Techline 1-800-367-3788 Page 5 of 11 IS-1850-0470 Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356 Or www.helminc.com Research Ford Focus ST pricing and get news, reviews, specs, photos, videos and more - everything for Ford Focus ST owners, buyers and enthusiasts. FORD Focus ST 5 Doors 2008-2011 pecs, photos, engines, years, launch date and history. FORD Focus ST 5 Doors 2008-2011 Photos, engines & full specs. Home > Cars > FORD > Focus 5 Doors > On the Focus ST checking your compression is quite straightforward: Step One – Prepare for testing: Preparing your Ford Focus ST for compression testing could not be any easier. First drive the car so that it is decently warm. Park it and carefully pull off the coil packs and remove all four spark plugs. Step Two – Install the Compression The future's bright, the future's very orange as Jeremy Clarkson puts the Ford Focus ST through its paces out on a rather wet Top Gear track. Subscribe to se Show all. '07 Ford Focus ST MK2 | Unichip Tuning. If you wanted something punchy yet practical way back in 2006, the Ford Focus ST MK2 was the way to go. Sporting a very tuneable 2.5L engine capable of producing 225HP & delivering peak torque @ 1,600RPM, it felt just as fast as Ford claimed - superbly balancing comfort and driveability. Cars belonging to Ford Focus 2nd-gen. phase-II Sedan submodel, manufactured or offered in the years 2008-2011 with sedan body type, equipped with engines of 1388 - 1999 cc (84.5 - 122 cui) displacement, delivering 59 - 106.5 kW (80 - 145 PS, 79 - 143 hp) of horsepower: 2008 Ford Focus 2nd-gen. phase-II Sedan. M6Yonj.