Que significa DEFINITIVO definitivo SIGNIFICADO definitivo SuperPro 2004 Mazda RX 8 Base Front 27mm 2 Position Adjustable Sway Bar Kit. If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! By being adjustable the Sway bar rates can be increased between 30 50% over OE sway bars by simply changing the end link position on the sway bar. This Part Fits: Year Make Model Submodel 2008 Mazda RX 8 40th Anniversary Edition 2004 2007 Mazda RX 8 Base 2008 2011 Mazda RX 8 Grand Touring 2009 2011 Mazda RX 8 R3 2005 Mazda RX 8 Shinka 2008 2011 Mazda RX 8 Sport 2008 2009 Mazda RX 8 Touring