Just to be on the safe side carefuly examine everything about the engine.
Powerline has shipped me 3 sets of valve spring retainers that were not machined properly and the keepers didn't seat well. Dropping a valve would be a real piss off!
The Powerline engine castings look real good ( above average quality ) but I have found two voids on my flywheel that were pasted over. The defect is very minor but the casting ws not cleaned well, this sends up a red flag right away if they didn't clean the casting and pick all the sand and scale out of the voids how did they know if there was a problem or not?
Atul is very attentive to his clients, if you find any issues with off set drilling in castings, voids, dirt bad machining let him know. This is good for PEC ( Powerline is the brand name for the engine builder PEC ) because they know they have a problem and can take steps to solve it.
Doug