Sporthoj.com - Swedish largest sports bike forum
Gixxer.com - U.S GSX-R forum
Ebay - find your GSX-R part here (auctions)
Robinson Foundry - GSXR parts in the U.K if you have the part number
Alpha Power Sports - parts catalog online - here you find the parts number
Classic Suzuki Club Scandinavia - The swedish club to join once the GSX-R reaches 20 years of age.