This is from the Speedway site.
Aside from what is included in your adapter kit, the adapter is designed to use the '49-'53 10”
Mercury pressure plate with the B&B pattern and the 10” clutch Ford disk. The stock throwout bearing
from your transmission is used.
The engine@s stock flywheel (168 tooth ring gear with 10.5” clutch pattern) and the 1955-1962 flange
mount starter or the later block-mount starter for the 168 tooth flywheel (offset bolts holes) are used. If
youdo not have any of the above items, contact Speedway Motor@s, Inc. as we should be able to supply
any of these parts.
Check that all of the following parts are in the package and free of damage:
1 Cast aluminum adapter
1 Pilot bearing adapter (see note #5).
Torque values: 7/16-20 crankshaft bolts—55-65 ft-lbs
3/8-16 bellhousing bolts—35 ft-lbs