Only the RH-5 widow makers split in the middle. All the others have some sort of flange and lockring around the outside (looking at the tire as mounted on a front wheel). The pictured wheel has no lockring of any kind on the outside.

Last edited by Tronman; 10/06/2025 3:06 AM.

1965 C60 school bus | 1967 GMC 6500 school bus