Originally Posted by Torgus
Rods - Carillo and Arrow both have options. VAC has them available. You can get stock length or custom. These are upgrades over stock, but the stock rods are very stout though.
Pistons - CP. You can get stock or custom compression. I think they carry stock and 9.2:1 on the shelves. But if you want any of the goodie options, you will have to wait for them to be manufactured (approx. 7 weeks). These are by far the most important upgrades for the n54. "