Cylinder Block
Applicable to engines in the ranges 425, 427, 430 and engines with suffix A in the ranges 451, 453, 455, 481, 485
| 1 - Engines 42509169 |
| 2 - Engines 42509170 and in the ranges 451, 453, 455 & 485 |
| 3 - Engines 42508799 |
| 4 - Engines 42508880 |
| 5 - Engines 45101183A, 45300002A, 45500558A, 48100580A, 48500026A |
| 6 - Engines 45101184A, 45300003A, 45500559A, 48100581A, 48500027A |
