Wow my post from 2010! And I am again about to order a driveshaft for a 5 speed swap. Upside is, just like my last driveshaft, no need to measure squat. Driveshaft Specialists in San Antonio did my one in 2010 and are doing one for me now. They add a splined slip joint so you have about an inch of give with this one. Just tell them what you need, they do the rest