Collection: Auto - Oil Restrictor

Fine-tune your engine’s lubrication system and protect sensitive components with our selection of Auto Oil Restrictorcomponents. At DIY Customs, we provide high-precision turbocharger oil restrictors, specialized engine block oil gallery restrictors, durable AN-style orifice fittings, and heavy-duty flow control adapters designed for a perfect fit. Whether you are preventing oil seal blowouts on a ball-bearing turbo, managing oil flow to the top end of a high-RPM race engine, or installing a specialized lubrication line for a custom supercharger setup, our professional-grade hardware offers the mechanical precision and thermal durability you need at unbeatable prices. From specialized brass orifice plugs to direct-fit stainless steel restrictor fittings for popular domestic and import performance builds, we carry the essential gear for every pressurized oil project. Don't see the specific orifice size (0.035"/0.060"/0.090"), thread pitch, or specialized restrictor for your turbo feed? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!