Prosport Performance 52mm Oil Pressure Gauge - Blue/White vendor_Stop Tech Or this one

Or this one

Notes: The Invidia N1 is the move to piss off your neighbors

FITMENT: All evo 8 +9's 03+ All

The head of the stud uses a 4mm Allen to thread the studs into the block

Prosport Performance 52mm Oil Pressure Gauge - Blue/White vendor_Stop Tech Or this onePart #: PSR 216BFWBOPSM. PSI Don't trust your factory gauge for important monitoring of engine functions. By the time your factory idiot light comes on the damage is already done. Monitor you engine functions with one quick glance and notice any problems before it is catastrophic. (0 100 PSI includes Electric Sender, mounting hardware, Hood and Instructions) Included Sender This item is non application specific. Please verify compatibility before