Genuine GM Parts 11588723 - LS Cam Bolt (M8 X 1.25 X 25)

Factory GM Metric Bolt with a thread of M8 X 1.25 and an under-head-length (UHL) of 25.0MM. 6-point head uses a 13MM socket. This is the GM factory bolt for attaching the camshaft to the cam sprocket on LS engines with the 3-bolt style cam and sprocket. Thread Info Head Thread UHL Thread Length Style Size M8X1.25   25.0MM 18.0MM  6-PT 13MM