Hi,

the 8 bolt, 14" drums on my 49 GMC 1 ton rear axle have four holes, are they for push bolts and if, what size are they?

Can't see any thread at the start.

Thanks, Joerg

~ NORTH OF 49TH
1948 GMC Model 9434 Frame rebuild
1953 Chevrolet 1314 1/2 ton rebuild
Follow along it the DITY Bay