| Part Number | Application | Specifications |
|---|---|---|
| 1M | 63-68 289 | 2.87 Stroke Ford Service # C3AZ-6303-F |
| 1M | 63-67 289 HiPo | 2.87 Stroke / high nodular Ford Service # C30Z-6303-B |
| 1MA | 63-68 289 | 2.87 Stroke Ford Service # C3AZ-6303-F |
| 2M or 2MA | 68-71 302 | 3.00 stroke / Regular 302 Ford Service # C8AZ-6303-A |
| 3M | 69-72 351W | 3.50 Stroke Ford Service # C9OZ-6303-A |
| 3MA | 73-79 351W | 3.50 Stroke |
| 4M | 70-74 351C | 3.50 Stroke Ford Service # D0AZ-6303-A |
| 4MA | 71-72 351 C | 3.50 Stroke / If D1ZX stamping then Boss 351 |
| 5M | 71 400M | 4.00 Stroke |
| C3AE-N | 63+ 289 | 2.87 Stroke |
| C9ZE-6303-A | 69 BOSS 302 | Steel / Cross drilled / 3.00 Stroke Ford Service # C9ZZ-6303-A |
| C9ZE-6303-C | 69 BOSS 302 | Steel / Cross drilled / 3.00 Stroke Ford Service # C9ZZ-6303-A |
| D0ZE-6303-A | 70 BOSS 302 | Steel / Cross drilled / 3.00 Stroke Ford Service # D0ZZ-6303-A |
| D1ZX-AA | 71 BOSS 351 | 3.50 Stroke Ford Service # D1ZZ-6303-A |