O-ring for sealing surface of inlet pipe on LBZ/LMM Cast Two-Piece Y-bridge. Used on the following WCFab kits: 2006-2010 LBZ/LMM Y-Bridge (WCF100235), 2006-2007 LBZ Y-Bridge Kit (WCF100163), 2007.5-2010 LMM Y-Bridge Kit (WCF100164), 2006-2007 LBZ Stage 1 High Flow Bundle Kit (WCF100323), 2006-2007 LBZ Stage 2 High Flow Bundle Kit (WCF100437), 2006-2007 LBZ Stage 3 High Flow Bundle Kit (WCF100503), 2007.5-2010 LMM Stage 1 High Flow Bundle Kit (WCF100324), 2007.5-2010 LMM Stage 2 High Flow Bundle Kit (WCF100438), 2007.5-2010 LMM Stage 3 High Flow Bundle Kit (WCF100504)
