Nope, ya just not paying the middleman mark up that local shops charge.... To give you the breakdown:

*Work Emotion CR KAI 18x7.5, offset +48, 100 x 5, Matt Titan (Is this the color you are after???): 23000Yen x 4 = 92000Yen (= currently A$1089)

*Work Optional RS Wheel Nut Set (blue): 13000Yen (= currently A$154)

*Estimated shipping cost from Japan to your address in Perth: approximately A$450 for 4 wheels