Best place to buy full kit

Yes, USPS is the US Postal Service and a "flat rate box" may be the least expensive for shipping on front end parts.

Here is a copy/paste from the USPS website:

Priority Mail® International Large Flat-Rate Box USPS-supplied Priority Mail large flat-rate box: 12" x 12" x 5-1/2" Maximum weight 20 pounds.
6 - 10 Days $53.95

Priority Mail® International Regular/Medium Flat-Rate Boxes USPS-supplied Priority Mail medium flat-rate boxes: 11-7/8" x 3-3/8" x 13-5/8" or 11" x 8.5" x 5.5" Maximum weight 20 pounds.
6 - 10 Days $41.95

Please PM another member from OZ to be sure? My sister used to live there and I remember the shipping $$ were always a concern. There may be a local supplier for the parts you desire....Good luck :cheers: