Bearing Hub: 1984-90 Corvette FRONT W/ABS (USA made) so these cooper core with

so these cooper core with steel side tanks are specialty parts

Bore Diameter (N) 24mm Primary Port Size M11 x 1

and your buggered

This may be a little different from an original but this is the correct  replacement for the later production 1968-81  Mainly Small block V8 350 but also found on 327

1984-87 Corvette Front ONLY

Bearing Hub: 1984-90 Corvette FRONT W/ABS (USA made) so these cooper core withNorth American Made. This is a North American made front Corvette hub bearing assembly and alternative to the expensive GM hub bearing assembly with ABS but they work. The historic outcome is people fitting these often wreck the new joint then try to claim warranty.. they are not skilled or have the specs for tensions. rather they just use a socket an tighten by vision.. NOT GOOD ENOUGH for you..! See the link below also. Complete FRONT ABS hub