| Applications: | Radiator, Surge Tank, Ect |
| Cap Opening Outer Diameter: | 2.23" or 56mm. |
| Cap Opening Inner Diameter: | 1-5/8" |
| Lower Hole Opening Diameter: | 1-1/8" |
| Overflow Tube Diameter: | 5/16" |
| Neck Material: | 22 Gauge Aluminum |
| Pressure Rating: | SAE J164. |

1 YEAR