The kit sells for $499NZD plus shipping.
Shipping is free within New Zealand, approx $60 to Australia, and $120 to everwhere else. For the USA you source one part locally, the rest of the kit is $499 NZD including shipping.
There may be some local adaption required depending on your model. Generally these modifications only cost a few hundred dollars.
Message or call me for payment details. I can take a credit card payment via paypal, or via bank deposit.