F1600 Main Bearing Set, Kent & Cortina Engines (choose size)
Price range: $108.99 through $118.99
These are the standard main bearings for the Formula Ford 1600 (“Kent/Cortina”) engine:
- These bearings fit the standard 2.271″ (57.69mm) bearing bore in the block.
- If your block has been line-bored to correct an alignment problem, you will need .015″ Oversize O.D. FF1600 main bearings.
- Fits all Pre-crossflow (5 main only), crossflow, Fiesta, Lotus Twin Cam, and Cosworth BDA/BDD (block numbers 2731, 2733, 2737, 120, 681, 691, 701, 711, and 771).
- Main bearings are sold in sets of 10 (one set completes one 4-cylinder engine).
| Crankshaft Measurements for Main Bearing Sizes | |||
|---|---|---|---|
| Bearing Size (Nominal) |
Crankshaft Journal Diameter (inches) |
Crankshaft Journal Diameter (mm) |
Bearing Part No. |
| Standard | 2.125″ – 2.126″ | 53.983mm – 54.003mm | 5M2152-STD |
| 1st Undersize / 10 Under |
2.115″ – 2.116″ | 53.729mm – 53.749mm | 5M2152-010 |
| 2nd Undersize / 20 Under |
2.105″ – 2.106″ | 53.475mm – 53.495mm | 5M2152-020 |
| 3rd Undersize / 30 Under |
2.095″ – 2.096″ | 53.221mm – 53.241mm | 5M2152-030 |
| 4th Undersize / 40 Under |
2.085″ – 2.086″ | 52.959mm – 52.984mm | 5M2152-040 |
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