Are these USDM b16 pistons.... The guy listed them as PR3's... box says p30 tho. Yep I searched couldnt find answer I was looking for.

 

isnt that the 92-93 b17a pistons? But p30 might also be the b16b psitons tooo... its weird i dont know dont blame me if im wrong

 

you better ask for a pic of the pistons.
you aren't installing the boxes in your motor

 

wasnt what I was wanting to know..... I just need to know was it USDM pistons or not?

 

Answer found on ITRCA 5minutes later. Here is it if anyone else was interested.

2nd Column:
P73 = Integra Type R
PCT = Civic Type R
P72 = B18c
PR3/PW0/P30 = B16a

3rd Column:
A0 = USDM spec.
00 = JDM Spec

Block Internals
13010-P73-A00 Standard Bore Piston
13011-PR3-004 Standard Bore Ringset
13020-P73-A00 .25mm Oversized Piston
13021-PR3-004 .25mm Oversized Ringset
1310-P30-G00 Standard Bore Piston
13020-P30-G00 .25mm Oversized Piston
13021-PR3-003 .25mm Oversized Piston