These are GM OEM flywheel bolts. Please make sure to select the proper engine size to get the correct QTY of bolts.
2.0/2.2/2.4 Part# 11570626
F40 Part# 11562103
These are torque to yield, so they should not be reused. Apply red Loctite, then torque: First Pass 39 lb ft, Second Pass 25°