claiming 35mm here.message seller for details if front and rear
https://www.ebay.co.uk/itm/NISSAN-MICRA-K11-Mk2-1-0-1-3-92-03-LOWERING-SPRINGS-35mm/202662688332?hash=item2f2fa3364c:g:xuMAAOSw96ZcEllw...
i would guess so as the fuel pressure regulater is regulating the regulations.but wait for more replys. miss this azzydot though he was a real regulator of getting hands on