STANDARDBest Quality Reproduction Radiator Cap 15 Lb. Cap With Correct Marking & Script First Design RC-15 Cap With Small Ears Correct For 1963-64 With Air Conditioning Will Work For All Applications 1958-72 Except With Coolant Recovery Correct Large Ear Radiator Cap Available As Our P/N 40-10644 The radiator cap is the first thing an enthusiast notices after the air cleaner on your stock 1963 or 1964 Impala, Bel Air or Biscayne. If the show is judged, the radiator cap will get points knocked off first thing if it is not correct.
| Make | Model | Years |
| Chevrolet | Bel Air | 1963 - 1964 |
| Chevrolet | Biscayne | 1963 - 1964 |
| Chevrolet | Impala | 1963 - 1964 |
