Just to further confuse the issue
, the 2305 IS the number listed in the parts page for the 40 Con rod .in the instructions supplied with the engine .
Theres NONE here , but theres several OTHER O S , like LA & FP , if anyones gotta con rod problem .
https://www.rcjapan.net/index.php?main_page=index&cPath=80_413_432Sounds like the Right Rods in the bank , there . Thinking the Max 35 C would be a fit . theres a R C version too . Single Ball race , case like the 40 S & P , SP etc .
INCIDENTLY the H - 29 R con rod , wrist pin , piston & liner ARE max 30 S parts , or V c V if the 29R & 35 C came FIRST .