Nissan RB20DET RB25DET RB30 + Garrett GT40R GT42R GT45R Turbo Oil Feed Line Kit｜4AN Braided

Running a large-frame Garrett GT-Series turbo—GT37R, GT40R, GT42R, or GT45R—on your Nissan RB20DET, RB25DET, or RB30 engine? These turbos are always mounted top mount, and demand a reliable, restricted oil feed to prevent over-oiling and bearing damage. Factory lines don’t fit or restrict properly for these turbos. This turbo oil feed line kit includes a 2.0mm restrictor flange, 4AN pre-crimped PTFE braided line, and all required hardware to ensure precise oil flow and safe, bolt-on installation. ‣ Engine compatibility: RB20DET / RB25DET / RB30‣ Turbo compatibility: GT37R / GT40R / GT42R / GT45R‣ Top mount only setups‣ Includes 2.0mm restrictor oil feed flange + gasket + bolts‣ 4AN pre-crimped PTFE braided stainless steel oil line‣ Engine-side fitting + copper crush washer included‣ Designed for high-pressure, high-temperature applications‣ Prevents over-oiling of journal bearing turbos‣ Custom line lengths available‣ In stock and ready to ship Installing a GT37R to GT45R on your RB en