1) Pair new axle shafts only 
Deep heat treated 1541H custom alloy
Available with studs, bearings, seals and c-clips
Direct fit for 1962-1976 Chevy II/Nova with 8.2" 10 bolt, 8.5 10 Bolt or 12 bolt rear ends
 
Spline count: 28 Spline For 10 Bolt 8.2
Spline count: 28 Spline For 10 Bolt 8.5
Spline count: 30 Spline For 10 Bolt 8.5
Spline count: 30 Spline For 12 Bolt 8.875"
1962-1967 Chevy II Length: 28 7/16"
1968-1976 Nova Length: 29 1/2"
Bearing journal: 1.400"
Bolt pattern: 5x4-3/4
Hole size: 0.453 and 1/2"-20 Threaded 
Pilot: 2.771