Originally Posted by 377MONTE
i just got off the phone with Eagle, and their techincian Tim assured me that the BALANCED 383 kits like they sell on summit or jegs are already balanced +/- 2 grams. He said they undergo the same balance job as their race balanced rotating assemblies and i would be able to open the box and install. (after making clearances on the rods and block of course)
I have seen one of there prebalanced kits and one end of the crank was off 36 grams.
Whats really interesting when you buy a prebalanced kit the pistons are in a sealed box the ring are in a sealed box and rods are still in the plastic sealed wraping HMMMMMMMMM