1st-racing 4-AN Turbo Oil Feed Restrictor Fitting - 1.5mm For Borg Warner S200/S300/S400/S500

If you're building or tuning a Borg Warner turbo setup—like an S200, S300, S400, or S500—you need to control oil pressure to the turbo.

This little gold fitting from 1st-racing is exactly what you need.

It's a 4-AN turbo oil feed restrictor with a 1.5mm orifice, designed to limit oil flow and prevent blown seals.

It's a universal fit part that'll work with a ton of setups.

The fitting is made from quality materials with a painted gold finish.

It comes with the mounting hardware, so you're ready to install.

Don't starve your turbo of oil, but don't flood it either—this restrictor finds the sweet spot.