SG: Swap the shafts back into their correct spots then with a Lobe pinting up use a set of feeler gauges between the Shim and the back of each Lobe to check for clearence.
intake should be between 0.006 > 0.010
exhaust is 0.008 > 0.012
intake should be between 0.006 > 0.010
exhaust is 0.008 > 0.012