Actually found the answer - the x2A is RH side and the UIA is LH side. There is a difference between the two banks on the motor. That is why they only list quantity x 4 for each part number.
When I searched for the use of the part number it lists the Aristo as well and shows the RH & LH sides in the description.
Yes, there is another piston set after '95 so there was some change in the motor then. Also all Crown V8's use the later piston.
Sat, 07 August 2004 01:59
