Use google translate to look up items
another vote for Rod for TetsuyaGarage, used many many times. Cheapest fees and shipping from Japan.
Also try;
Bill Wilner with http://www.MiataRoadster.com
Max with http://www.Rev9AutoSport.com
The 3rd party auction brokers are good too but you'll need to order a LOT of items at once to make it a decent price because the fees and shipping on single time purchases will make the item 3 times more expensive in the long run than what the auction starts at.