I have a set of rear Gen 3-4 OEM Viper rear shocks for sale. here is the link on Ebay. email me if interested.
http://www.ebay.com/itm/251959916333?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
http://www.ebay.com/itm/251970775898?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 (http://www.ebay.com/itm/251970775898?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649)
updated ebay link
sold