the newer 01+ Lightning driveshafts are the large aluminum ones you want, the stiegmier port is about the best bang for the buck, Traction bars are a must if you run slicks or dragradials, or anything that hooks. A proper tune will do more to keep the stock bottom end alive, thats why some have run for a time well over 450hp. the stock rods are considered junk, but detonation is the true enemy, thats why the tune is so important, 373 gears will help nicely.