| Stock Bore | Stock Stroke | Overbore (inches) | New Bore (inches) | New Displacement |
| 3.750 | 2.750 | 0 | 3.750 | 287 |
| .030 | 3.780 | 292 | ||
| .060 | 3.810 | 296 | ||
| 4.000 | 3.000 | 0 | 4.000 | 301 |
| .030 | 4.030 | 306 | ||
| .060 | 4.060 | 311 | ||
| 3.9375 | 3.250 | 0 | 3.9375 | 317 |
| .030 | 3.9675 | 321 | ||
| .060 | 3.9975 | 326 | ||
| 3.720 | 3.750 | 0 | 3.720 | 326 |
| .030 | 3.750 | 331 | ||
| .060 | 3.780 | 337 | ||
| 3.9375 | 3.5625 | 0 | 3.9375 | 347 |
| .030 | 3.9675 | 352 | ||
| .060 | 3.9975 | 358 | ||
| 3.880 | 3.750 | 0 | 3.880 | 355 |
| .030 | 3.910 | 360 | ||
| .060 | 3.940 | 366 | ||
| 4.0625 | 3.5625 | 0 | 4.0625 | 370 |
| .030 | 4.0925 | 375 | ||
| .060 | 4.1225 | 381 | ||
| 4.0625 | 3.750 | 0 | 4.0625 | 389 |
| .030 | 4.0925 | 395 | ||
| .060 | 4.1225 | 400 | ||
| 4.1212 | 3.750 | 0 | 4.1212 | 400 |
| .030 | 4.1512 | 406 | ||
| .060 | 4.1812 | 412 | ||
| 4.09375 | 4.000 | 0 | 4.09375 | 421 |
| .030 | 4.12375 | 427 | ||
| .060 | 4.15375 | 434 | ||
| 4.120 | 4.000 | 0 | 4.120 | 427 |
| .030 | 4.150 | 433 | ||
| .060 | 4.180 | 439 | ||
| 4.1522 | 4.210 | 0 | 4.1522 | 456 |
| .030 | 4.1822 | 462 | ||
| .060 | 4.2122 | 469 |
 |