I throw a connecting rod on my Poulan Mower with B&S Engine 31P777-0299-E1 engine. When I opened it up this part was laying in the sump. I can not find it on part drawings on the internet.
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#2
Russ2251
Appears to be compression release normally located on camshaft gear.
#3
EngineMan
Compression release lever
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#4
PTmowerMech
You'll have to get a new (or good used) cam. Since they're made together.
If the threw the connecting rod he will have bigger issues than just needing a new camshaft. That compression release is still in one piece, so i would say the rod hit it and broke the cam lobe or something.