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Garrett G-Series G40-1150

Garrett G-Series G40-1150

Regular price $2,499.99 USD
Regular price Sale price $2,499.99 USD
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Exhaust Housing

GARRETT G40-1150 71MM

Horsepower: 500 - 1150
Displacement: 2.0L - 6.0L


• G Series compressor aero increases flow up to 32% (compared to GTX4088R)
• 62mm and 71mm compressor inducer sizes
• Dual ceramic ball bearing with steel cages
• G Series turbine aero increases flow 16% (compared to GTX4088R)
• Inconel turbine wheel with 77mm inducer flows up to 43 lbs/min
• Lightweight aluminum backplate
• Fully machined speed sensor and pressure ports
• Water fittings included with super core
• Stainless steel turbine housings available with T4 twin scroll inlet and V-band Inlet
• T4 turbine housing outlet V-Band dimension (117.4mm | 4.622” OD) is equal to existing GTX42, GTX45 and G42 models

WARNING: Maximum allowable turbocharger speed is 125krpm. The use of this product above max turbocharger speed is at the owner’s risk, and can result in damage and premature failure. To protect the turbocharger from overspeed when operating, a speed sensor can be installed into the compressor housing to monitor shaft speed. Sensors sold separately. (click here for details)

Performance results of this product are highly dependent upon your vehicle’s modifications and tuning/calibration. The horsepower numbers represented above are calculated based strictly on choke flow of the compressor map (total turbo capability), which represents the potential flywheel horsepower.

G40-1150 Part Number: 860777-5002S


“Garrett Performance Kits are professional aftermarket products only designed for certain racing vehicles driven on particular racing tracks and shall only be used on racing vehicles that will never be driven on public roads or highways. Garrett Performance Kits are not legal for the use in vehicles on public roads or other roads to which public road law applies. Any vehicle modifications using Garrett Performance Kits are AT YOUR OWN RESPONSIBILITY and AT YOUR OWN RISK. Only use Garrett Performance Kits in compliance with all applicable laws, regulations, and ordinances (including but not limited to emission, noise, operating license, performance, safety, and type-approval aspects). A vehicle modification using Garrett Performance Kits may particularly affect or void a vehicle’s warranty, operating license or type-approval. Moreover, only use Garrett Performance Kits in compliance with all applicable racing and racing track provisions. It is YOUR OWN RESPONSIBILITY AND RISK to ensure that your Garrett Performance Kit fits your vehicle and area of application. YOU MUST ENSURE LAWFUL AND SAFE OPERATIONS AT ANY TIME. You should particularly consult the owner’s manual and service manual of your vehicle. You should also contact your vehicle’s manufacturer to determine what effects modifications may have on important aspects such as safety, warranty, performance, etc. Only install and use Garrett Performance Kits if you have fully read and understood this important safety information and if you fully agree with the terms and conditions set forth therein.”

G-SERIES G40-1150 71MM

Reference Data

G40-1150 Compressor Turbine
Inducer Exducer Trim A/R Inducer Exducer Trim
HP: 500-1150
Disp: 2.0L-6.0L
71mm 88mm 65 0.80 77mm 70mm 84
Supercore PN
Standard Rotation 860777-5002S
Turbine Kits: G40 PN A/R Inlet Outlet Wastegate Divided
Interchangeable with G40-900
| G40-1150 Supercores
757707-0027 0.85 V-Band V-Band Free Float N
757707-0028 0.95 V-Band V-Band Free Float N
757707-0029 1.06 V-Band V-Band Free Float N
757707-0030 1.19 V-Band V-Band Free Float N
757707-0032 0.85 T4 V-Band Free Float Y
757707-0033 0.95 T4 V-Band Free Float Y
757707-0034 1.06 T4 V-Band Free Float Y
757707-0035 1.19 T4 V-Band Free Float Y

G-SERIES G40-1150 71MM

Download Section

File Name Link View
Configuration Guide Download View
File Name Link View
Compressor Map Download View
Exhaust Flow Chart Download View
Product Photo Download View
Flange Diagram Download View
Speed Sensor Kit Installation Instruction Download View

G-SERIES G40-1150 71MM

Compressor Map & Exhaust Flow Chart



Compressor Stage

G Series G40 is available in 2 compressor inducer sizes. G40-900 (62mm) and G40-1150 (71mm) You can click the hyperlinks to go directly to those product pages. Both G40 models are interchangeable meaning they are the same size and can be swapped out without having to reconfigure any other turbo kit parts.


G40 Turbine Housing Kits

G40 turbine housing kits are available in four A/R. 0.85 A/R | 0.95 A/R | 1.06 A/R | 1.19 A/R stainless steel housings with T4 divided inlet flange and V-Band Inlet. The largest 1.19 A/R T4 turbine housing flows 43 LBS/MIN of air which is a 16% increase over the GTX4088R turbine wheel.

G40 Dimensions

Here’s how G40 G42 Compact and GTX4088R stack up against each other in size.



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