- 4" FNST X 4" MNST ALUM HYDR ADPTR
| Female Thread Size | 4 in |
| Male Thread Size | 4 in |
| Female Thread | NST (NH) |
| Type | Female Thread x Male Thread |
| Lug | Rocker Lug |
| Material | Hardcoat Aluminum |
| Male Thread | NST (NH) |
| Weight | 2.37 LB |
| Female Thread Size | 4 in |
| Male Thread Size | 4 in |
| Female Thread | NST (NH) |
| Type | Female Thread x Male Thread |
| Lug | Rocker Lug |
| Material | Hardcoat Aluminum |
| Male Thread | NST (NH) |
| Weight | 2.37 LB |