1) Pair new Quick Performance axle shafts only 
Axles Will Fit Camaro, Firebird, Trans-Am, Formula, F-body 
Deep heat treated 1541H custom alloy
Available with studs, bearings, seals and c-clips
Direct fit for 1982-1992 with 7.625" 10 bolt rear ends.
 
Spline count: 26 Spline For 10 Bolt 7.625
Spline count: 28 Spline For 10 Bolt 7.625
1982-1992 Camaro/F-body: 30 5/16" Long 
Bearing journal: 1.400"
Bolt pattern: 5x4-3/4
Hole Size Made For Factory 12mm Studs 
Pilot: 2.771