Re: Nippon/ NPR piston rings for D16a6
i dont know the quality of the rings. i did instal those on my car and it seems to be fine.
The d16y7 has the same bore so...
if i was to guess ,
they can be hard to get on the piston if you didnt clean the grooves out
90 Crx Si : b18a1 obd1 swap
92 Lexus Sc300: 2JZ power!!