1977 GMC C25 equipped with 7.4L V8 Gas OHV, 6.6L V8 Gas OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
1
Rear
RUBBER CROWN WITH AIR GAP HEIGHT WITHOUT STUDS: 1.9 INCH : 48.25 MM STUDS AND BOLT HOLES INLINE STUD CENTERLINE: 1.5 INCH : 38.1 MM AT Mfr Code: THM400 RWD
1977 GMC C25 equipped with 7.4L V8 Gas OHV, 6.6L V8 Gas OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
Rear
RUBBER CROWN WITH AIR GAP HEIGHT WITHOUT STUDS: 1.9 INCH : 48.25 MM STUDS AND BOLT HOLES INLINE STUD CENTERLINE: 1.5 INCH : 38.1 MM AT Mfr Code: THM400 RWD