Order Includes: 1 x Muffler Valve , 1 x Valve Spring , 1 x Valve Stem Seal , 2 x Valve Cotter. Part Numbers: Muffler Valve 12005-0047 12005-0016 12005-0040 12005-1298 12005-1349 120050047 120050016 120050040 120051298 120051349. Part Numbers: Valve Spring 49078-0014 490780014 , Valve Stem Seal 92049-1218 920491218 , Valve Cotter 12011-1051 120111051. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
