| OEM Engine CID | 267 | 262 | 305 | 265 | 283/307 | 302/327/350 |
| OEM Bore + .030 | 3.530 | 3.701 | 3.766 | 3.780 | 3.905 | 4.030 |
| With 3"stroke (Original to the 265/283/302) | 235 | 258 | 267 | 270 | 287 | 306 |
| With 3.10"stroke (Original to the 262) | 243 | 267 | 276 | 278 | 297 | 316 |
| With 3.25"stroke (Original to the 307/327) | 254 | 280 | 290 | 292 | 311 | 332 |
| With 3.48"stroke (Original to the 267/305/350) | 272 | 300 | 310 | 312 | 333 | 355 |
| With 3.75"stroke (Original to the 400) | 294 | 323 | 334 | 337 | 360 | 383 |