Doing a 4-speed this winter...

http://www.keislerauto.com/index.php?/mopar/mopar-parts-and-accessories/pedal-kits.html

Brand spankin' new for $345.95. TKO-600 Tremec 5-speed overdrive complete kits for around $3900.00. You can run tall gears on the street and overdrive for cruising. 1.00 4th and 0.64 5th gear.

New kit on Ebay $3395.00

http://cgi.ebay.com/ebaymotors/Keis...22ffae459d&_trksid=p4506.c0.m245#ht_833wt_926