Which engines suit the GTX3076R Gen II Assembly Kit in 0.83 A/R?

Garrett sizes the GTX3076R Gen II Assembly Kit for 1.8L to 3.0L engines making 400 to 750 horsepower. With the 0.83 A/R V-band housing, the strongest fit is an engine in the middle of that displacement range, built to use high boost and running an external wastegate on a V-band manifold.

Should I pick 0.83 or 1.01 A/R?

The 0.83 A/R reaches boost sooner and suits most engines in the range. The 1.01 A/R lowers backpressure further for high rpm and very high power, and suits a 3.0L engine or a dedicated high-output build where low-speed response matters less.

Can I keep my existing GT30R V-band housing?

Yes. Garrett states that all GTX Gen II turbochargers fit existing GT and GTX turbine housing kits, so a GT30R V-band housing already on the car can be reused with a new Gen II core. This kit already includes a new 0.83 A/R housing, so a spare is left over.

How is the power figure calculated?

Garrett bases its 400 to 750 horsepower rating for the GTX3076R Gen II on the choke flow of the compressor map. That is the total capability of the turbocharger expressed as potential flywheel horsepower, and the engine modifications and calibration determine how much of it a car actually uses.

What is the maximum turbocharger speed?

145,000 rpm. Garrett states that running above it is at the risk of the owner and can result in damage and premature failure. A speed sensor in the compressor housing monitors shaft speed, and the GT and GTX speed sensor kit is sold separately.

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Description

Garrett GTX3076R Gen II Assembly Kit, 0.83 A/R V-Band Free Float

Garrett’s GTX3076R Gen II Assembly Kit with the 0.83 A/R V-band housing is the middle exhaust option for the 58mm GTX30 Gen II core when the manifold has a V-band turbine flange. Garrett pairs super core 851154-5001S with GT30R turbine housing kit 740902-0035, shipped separately with a gasket kit for owner assembly. Rated by Garrett at 400 to 750 horsepower on 1.8L to 3.0L engines, this combination suits a 2.0L to 2.5L engine built for 500 horsepower and up, run with an external wastegate. A stock-turbo replacement on a lightly modified engine is the wrong use for it.

Features

Gen II compressor wheel with a 58mm inducer, which Garrett says supports up to 20 percent more horsepower than Gen I
Fully machined speed sensor port, plugged from the factory and opened with a 5mm Allen key
0.83 A/R free-float housing with V-band joints at both ends, clockable to the manifold and downpipe

Specifications

Garrett turbo reference: 5855
Compressor inducer and exducer: 58mm and 76mm
Turbine inducer and exducer: 60mm and 55mm
Turbine housing: 0.83 A/R, V-band inlet and V-band outlet
Wastegate: External (free float)
Bearing system: 8mm dual ceramic ball bearing
Maximum turbocharger speed: 145,000 rpm
Rotation: Standard

What’s Included

GTX3076R Gen II super core 851154-5001S with compressor housing
GT30R turbine housing kit 740902-0035, 0.83 A/R, V-band inlet and V-band outlet
Gasket kit

Applications

The GTX3076R Gen II Assembly Kit is not vehicle specific. Garrett sizes it by engine and output:

Engine displacement: 1.8L to 3.0L
Power range: 400 to 750 horsepower (Garrett rating)
Manifold requirement: V-band turbine flange with an external wastegate

Notes

Ships as an assembly kit: super core and turbine housing kit in separate boxes, bolted together by the installer
An external wastegate is required, because this turbine housing has no internal wastegate
The GT and GTX version of the Garrett speed sensor kit is sold separately
Garrett states that running above 145,000 rpm is at the owner’s risk and can cause damage and premature failure
More housing sizes for this core are in the GTX3076R Gen II range

Frequently Asked Questions

Which engines suit the GTX3076R Gen II Assembly Kit in 0.83 A/R? Garrett sizes the GTX3076R Gen II Assembly Kit for 1.8L to 3.0L engines making 400 to 750 horsepower. With the 0.83 A/R V-band housing, the strongest fit is an engine in the middle of that displacement range, built to use high boost and running an external wastegate on a V-band manifold.
Should I pick 0.83 or 1.01 A/R? The 0.83 A/R reaches boost sooner and suits most engines in the range. The 1.01 A/R lowers backpressure further for high rpm and very high power, and suits a 3.0L engine or a dedicated high-output build where low-speed response matters less.
Can I keep my existing GT30R V-band housing? Yes. Garrett states that all GTX Gen II turbochargers fit existing GT and GTX turbine housing kits, so a GT30R V-band housing already on the car can be reused with a new Gen II core. This kit already includes a new 0.83 A/R housing, so a spare is left over.
How is the power figure calculated? Garrett bases its 400 to 750 horsepower rating for the GTX3076R Gen II on the choke flow of the compressor map. That is the total capability of the turbocharger expressed as potential flywheel horsepower, and the engine modifications and calibration determine how much of it a car actually uses.
What is the maximum turbocharger speed? 145,000 rpm. Garrett states that running above it is at the risk of the owner and can result in damage and premature failure. A speed sensor in the compressor housing monitors shaft speed, and the GT and GTX speed sensor kit is sold separately.

About Garrett

Garrett Motion has turbocharged engines since 1955, when its T15 was matched to the Caterpillar D9 crawler, and in 1962 a Garrett turbocharger went into the Oldsmobile Jetfire Turbo Rocket, the first turbocharged production car. Garrett has supplied turbocharging in Formula 1 with Scuderia Ferrari, the FIA World Rally Championship and the 24 Hours of Le Mans. It has operated as a stand-alone company since 2018, and its technology is fitted to around 150 million vehicles worldwide.

Additional Information

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BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Garrett GTX3076R Gen II Assembly Kit, 0.83 A/R V-Band Free Float [856801-5038S]

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Garrett GTX3076R Gen II Assembly Kit, 0.83 A/R V-Band Free Float

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About Garrett

Reviews