Focus MK3 ST/RS 63mm Throttle Body upgrade kitThis is a plug and play kit! Everything you need to upgrade your mk3 Focus from a 57mm throttle body to a 63mm throttle body. We put together this kit so you simply remove your stock throttle body, put in the bigger throttle body using the new hardware. No tuning required, although your tuner may be able to get better results vs just bolting up. Kit includes: Ford 63mm Throttle Body New Throttle Body Gasket Longer bolts Jubilee clips SD Hoses silicone