A body 8 1/4 axle, 3.2:1 gears, near Seattle

Title says it all. Looking for a 1973-1976 Dart/Valiant/Duster/Scamp 8/25 rear axle near Seattle with 3.2:1 gears in it.

Might have some slant six parts and aluminum rims to trade. Closer to Tacoma, WA the better.

Thanks.