water pump/ timing cover bolt sizes?

Part number Qty size
6027 880 1 3/8 - 16 x 2 - 318 & 360 Eng.
9420 892 2 3/8 - 16 x 2 3/4 - 318 & 360 Eng.
9421 897 1 3/8 - 16 x 5 - 318 & 360 Eng. 1984
6031 761 2 1985
6028 166 3 3/8 - 16 x 5 1/4 - 316 & 360 Eng.