This is the Piston Pin Collar (part #20) FJIG6570 for the BT-50SA.
and (part #35) for the BT-86.
This Collar fits on either side of the Connecting Rod
and holds the Con Rod Needle Bearing in place on the
FEATURES: Constructed of steel
INCLUDES: One Piston Pin Collar for the Fuji Imvac BT-50SA and the BT-86 Engine
REQUIRES: Disassembly of engine and installing on Connecting Rod
COMMENTS: Two Piston Pin Collars are required per Connecting Rod
Fuji Imvac is NOT related to the original Fuji Engines sold by MECOA