My 70 Malibu build

[chevymaher]

Originally Posted by shadowgray396

Eaton-Makes a clutch Posi Unit -Heavy Duty Differential GM 8.2" 10-Bolt Chevy Posi Unit - 28 Spline - Posi Traction. Plus the gears and axles and you are set. Should handle any horsepower you have.

I used the Eaton pro-series posi, Richmond gears and bearings and a C Clip eliminator kit.