I have a couple like OND posted ... bought them for my H50 but they wont fit that motor .. don't know much about them ..
The listing titles said ...
"Tecumseh Billet Con Rod Racing tecumseh connecting rod 36972k"
and
Tecumseh H50 Billet Con Rod Rupp Taco Ruttman mini bike Go Kart Racing
Both are the same size.
$25 each shipped priority to the lower 48