The section has an extension (5) with a rear end movably mounted in front of a cradle (3) and a front end connected to a front part (1) of a bar by using a connection device. A pipe hanger (7) vertically connects the front part and the extension. The connection device has a sliding connection (31) permitting a movement of the extension along a longitudinal direction, and a stud (35) and pin for hindering the movement of the extension. An independent claim is also included for a vehicle front part`s low area kit comprising a pair of low area sections.