1) Pair new axle shafts only 
Deep heat treated 1541H custom alloy
Available with studs, bearings, seals and c-clips
Direct fit for 1970-1981 Chevy Camaro with 8.2" 10 bolt, 8.5 10 Bolt or 12 bolt rear end
 
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"
Length: 30 1/16"
Bearing journal: 1.400"
Bolt pattern: 5x4-3/4
Hole size: 0.453 and 1/2"-20 Threaded 
Pilot: 2.771