In an engine having a rocker member adapted to rock about an axis intermediate the rocker member and a pushrod extending from a lower body to an upper body and engaging an end of the rocker member, a gasket for sealing the lower body to the upper body is provided. The gasket includes a sealing portion...http://www.google.fr/patents/US6883483?utm_source=gb-gplus-shareBrevet US6883483 - Gasket with pushrod retainer