Oil return flange GT / GT-R / GTX / G-Series / BorgWarner EFR Dash 12 - 150mm Return flange with extension and Dash 12 male thread, 150mm long for Garrett GT and EFR turbochargers This aluminum oil return flange for Garrett GT and EFR turbochargers is CNC turned for a perfect fit. The slotted holes provide some flexibility for other turbochargers with similar flange patterns. The cross section of the return hole is designed for the necessary return flow of the oil in the correct size. Material: Aluminium (EN AW 6061) Thread: Dash 12 / -12AN External thread Dimensions total (HxWxD): 160mm x 57,5mm x 26mm Hole spacing: Hole spacing: 38-45mm (slotted holes, measured: minimum to maximum hole spacing) Bore diameter: 9mm Diameter: 24mm Fits for: turbochargers with ball bearings 10 and 20 series turbochargers with plain bearings. And various other brands with ball bearings like Precision Turbo, Turbonetics, etc. Garrett T12 Garrett T15 Garrett T2, T20 Garrett T25 Garrett GT2554R (471171-5003) GT2854R (471171-5009) GT2859R (780371-5001 / 707160-5009) GT2860R (707160-5007 / 707160-5005 / 739548-5009) GT2860RS (739548-5001 / 739548-5005) GT2871R (743347-5001 / 743347-5002 / 743347-5003 / 743347-5004 / 472560-5015 / 771847-5001 / 780371-5002 / 707160-5010) GT2876R (705330-5001 / 705330-5002) GTX2860R (816364-1) GTX2863R (816365-1) GTX2867R (816366-1) GT3071R-WG GT3071R (CHRA 700177-5023) GT3076R-WG GT3076R-C10 GT3076R (700382-5012) GTX3067R (824727-0001) GTX3071R (803712-1) GTX3076R (803713-1) GT3582R (714568-5001 / 714568-5002 / 714568-5003 / 714568-5007 / 714568-5008 / 714568-5009 / 714568-5010 / 714568-5011 / 714568-5012) GTX3576R (803714-1) GTX3582R (803715-1) G25-550 G25-660 G30-660 G30-770 G30-900 G35-900 G35-1050 BorgWarner EFR 6258 BorgWarner EFR 6758 BorgWarner EFR 7064 BorgWarner EFR 7163 BorgWarner EFR 7670 BorgWarner EFR 8374 BorgWarner EFR 8474 BorgWarner EFR 9174 BorgWarner EFR 9274 BorgWarner EFR 9180 BorgWarner EFR 9280 Mitsubishi Performance MHI TD05-06 16G Turbo Mitsubishi Performance MHI TD05-06 18G Turbo Mitsubishi Performance MHI TD06 20G Turbo What you should pay attention to: For the supply line, select at least a Dash 4 line. The oil return line must be at least Dash 10 or at least 16mm (inner diameter)!