Can i buy the retro fit kit from Kragen.

Conversion Kit (R12 To R134a): w/Ester Oil; w/10P13C Comp.; w/Drier; Kit Listed Contains Gaskets,O-Rings, Or Valve Core, For Kit exc. Gaskets, O-Rings, Or Valve Core Order Kit PN# {0123B}

Install, fill and be cool?
MIke