ou: DOES ANYONE HAVE A POSI REAR END? 342 OR 372 GEARS FOR A 1970 BUICK SKYLARK 350. A POSI UNIT? REAR AXEL FOR THE RIGHT SIDE? I DONT KNOW IF THEY WOULD WORK FOR BOTH SIDES. WOULD THEY? ALSO IM LOOKING FOR A FRONT GRILLE ANYONE KNOW OF WHO OR WHERE TO GET ONE