Garrett GTX3071R Gen II Supercore 54mm (851154-5002S)

The Garrett GTX3071R Gen II supercore is a complete ball-bearing turbocharger supplied without a turbine housing, ready to pair with the GT30 / GTX30 housing that suits your manifold and power goals. With a 54mm compressor wheel on the GT30 turbine, it's a responsive all-rounder that Garrett rates at 340–675 hp for engines from 1.8 to 3.0 litres. Gen II compressor wheel aerodynamics deliver up to 20% more power than the original GTX3071R, with a fully machined ported shroud for strong surge resistance. Key features Gen II forged, fully machined compressor wheel aerodynamics 8 mm dual ceramic ball bearing cartridge, oil and water cooled Fully machined compressor inlet, outlet and ported shroud High-flow Gen II compressor housing Fully machined speed sensor port (plugged from factory), accepts the Garrett speed sensor kit, sold separately Outline-interchangeable with GT and GTX Gen I turbos, so it suits existing piping Compatible with all existing GT30 / GTX30 turbine housing kits Please note: turbine housing is not included. Some product photos show the turbo with a housing fitted. Standard rotation. Maximum allowable shaft speed is 140,000 rpm. Specifications Garrett part number 851154-5002S Bearing system Dual ceramic ball bearing Cooling Oil and water Power rating 340 – 675 hp Engine displacement 1.8 – 3.0 L Compressor inducer / exducer 54 mm / 71 mm Turbine inducer / exducer 60 mm / 55 mm Frame GT30 / GTX30 Rotation Standard Max shaft speed 140,000 rpm Compatible Garrett turbine housings (sold separately) Part number A/R Inlet Outlet Wastegate 740902-0009 0.63 T3 V-band External (free float) 740902-0008 0.82 T3 V-band External (free float) 740902-0007 1.06 T3 V-band External (free float) 740902-0036 0.61 V-band V-band External (free float) 740902-0035 0.83 V-band V-band External (free float) 740902-0034 1.01 V-band V-band External (free float) 771300-0006* 0.63 T3 5-bolt Internal 771300-0005* 0.82 T3 5-bolt Internal 771300-0004* 1.06 T3 5-bolt Internal All housings are single (undivided) entry. *771300 internal-gate housings do not include bolts, clamps or actuator. Garrett performance products are intended for off-road / motorsport use. Check compliance requirements before road use.