I get my RR and LR wheels from turk brothers. The offsets are different than the usual found at tracks, but due to the price I can live with it and they have worked great and saved a ton of money, especially running 4 cars. I get them a case at a time, shipping is fast and a good price.
http://www.tbrwins.com/ BRAND SIZE Inside Outside PART # Price Each
Right Rear Rim Van K 6x7.25 2.5 4.75 V1206725 $24.70
Right Rear Rim Van K 6x7.75 3 4.75 V1206775 $25.03
Right Rear Rim Van K 6x8.25 3 4.25 V1206825 $25.03
Right Rear Rim Van K 6x8.5 3.5 5 V1206850 $25.35
Right Rear Rim Van K 6x8.75 3.5 5.25 V1206875 $25.35
Right Rear Rim Van K 6x9.25 4 5.25 V1206925 $25.68
Left Rear Rim Van K 5x5 2 3 V1205500 $19.83
Left Rear Rim Van K 5x5.5 2 3.5 V1205550 $19.83
Left Rear Rim Van K 5x6 2.5 3.5 V1205600 $20.15
Left Rear Rim Van K 5x6.5 2.5 4 V1205650 $22.10