I am thinking of purchasing some 3:73 gears and want to know what I need to buy. I have a 2001 GT Convertible with 9000 miles on it, don't drive it much as you can see. Now, I know I need the gears, but do I also need the install pack which gives you bearings and all that other good stuff? I mean, the car only has 9000 miles on it, do I need to replace all that stuff, or just reuse them? Or are the bearings and things specific to the 3:73's? Please let me know. Thanks.