I sent an inquiry to RS*R regarding their springs and coils for the GJ M6. Here is their response:
Thank you for your inquiry and interest in the RS*R suspension line.
Unfortunately we do not have that item in stock at our USA office and will have to be a special order from Japan.
Pricing is as follows:
DownSUS lowering spring(M550D): $279.00
Ti2000 DownSUS lowering Spring(M550TD): $369.00
Sports*i coilovers(BIM550M): $1,799.00
There are 2 options available for shipping. You are able to order them and we ship them over in a container ship which takes approximately 6 - 8 weeks, After the order arrives at our Santa Ana CA office, We will ship the order to you, Shipping costs vary in the continental USA up to $90.00 depending on your location for coilovers VIA Fedex Ground.
Option #2 is we are able to ship your order directly from our office in Japan to you VIA air freight. The cost for this is higher, However the rate of delivery is significantly quicker.
This option takes 7 business days or less for you to receive your order.
Cost for coilovers shipped via air freight from Japan to you - $350.00
Cost of lowering springs shipped via air freight from Japan to you - $140.00
Thank you for your inquiry and interest in the RS*R suspension line.
Unfortunately we do not have that item in stock at our USA office and will have to be a special order from Japan.
Pricing is as follows:
DownSUS lowering spring(M550D): $279.00
Ti2000 DownSUS lowering Spring(M550TD): $369.00
Sports*i coilovers(BIM550M): $1,799.00
There are 2 options available for shipping. You are able to order them and we ship them over in a container ship which takes approximately 6 - 8 weeks, After the order arrives at our Santa Ana CA office, We will ship the order to you, Shipping costs vary in the continental USA up to $90.00 depending on your location for coilovers VIA Fedex Ground.
Option #2 is we are able to ship your order directly from our office in Japan to you VIA air freight. The cost for this is higher, However the rate of delivery is significantly quicker.
This option takes 7 business days or less for you to receive your order.
Cost for coilovers shipped via air freight from Japan to you - $350.00
Cost of lowering springs shipped via air freight from Japan to you - $140.00