What does the PowerMax MGT1446Z Turbo Kit for the Z contain?

Two turbochargers: the left, Garrett 955654-5001S, and the right, Garrett 955655-5001S. Each is a complete direct-fit assembly with a calibrated actuator, so the PowerMax MGT1446Z Turbo Kit for the Z bolts to the factory mounting points and reuses the original oil, coolant, intake and exhaust connections.

Does it fit a 2022 Nissan Z?

Garrett lists the North American Z from the 2023 model year and the Japanese Fairlady Z from 2022, all on the RZ34 chassis with the 3.0L VR30DDTT. Some distributors describe the car as the 2022 400Z; Garrett names it the Nissan Z, and all RZ34 cars with this engine are covered by the listing.

How much power will the Z make with these turbos?

Garrett gives a capability of up to 560 horsepower, or 412 kW, for the pair, based on laboratory compressor flow testing. That is the turbo ceiling, not a dyno figure for a Z. Output depends on the configuration of the car, its supporting modifications and the ECU calibration.

Will I need to tune my Z?

Garrett says ECU calibration may be required depending on the setup and the performance goals. Without a calibration that raises boost and fueling, the extra 12 percent of compressor flow stays in reserve and the car drives much like stock, which is fine for a replacement but not for an upgrade.

Can I use the Infiniti PowerMax kit on a Z?

Order the Z part. Garrett sells the Z turbos as kit 959782-5001S and the Infiniti Q50 and Q60 turbos as kit 959783-5001S, with different single-side part numbers, even though both are MGT1446Z turbos with the same published wheel sizes. Garrett does not list them as interchangeable.

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Description

Garrett PowerMax MGT1446Z Turbo Kit for RZ34 Nissan Z 3.0L VR30DDTT

Garrett’s PowerMax MGT1446Z Turbo Kit for the RZ34 Nissan Z replaces both turbochargers on the 3.0L VR30DDTT with direct-fit Garrett units, part 955654-5001S on the left and 955655-5001S on the right. Garrett lists the North American Z from 2023 onward and quotes 12 percent more compressor flow than the factory turbos, with a laboratory flow rating of up to 560 horsepower for the pair. For a Z with a calibration that has reached the limit of the stock turbos, it adds flow without changing the fit. For a car that will keep its factory software, the gain is small and the money is better spent elsewhere first.

Direct-Fit Design

Each turbo is engineered as a complete replacement for the factory unit, arriving with a calibrated actuator and matching the original footprint. That lets the installer reuse the factory mounting locations, oil and coolant connections and intake and exhaust interfaces, which is what Garrett means by an OEM-plus upgrade.

Features

Left and right MGT1446Z turbos in one PowerMax MGT1446Z Turbo Kit for the Z
Calibrated actuators fitted by Garrett
12 percent more compressor flow than the factory turbos
Factory mounting points and oil, coolant, intake and exhaust connections are reused

Specifications

Garrett turbo model: MGT1446Z
Compressor inducer and exducer: 36mm and 46mm
Turbine inducer and exducer: 39mm and 36mm
Compressor flow over factory: 12 percent more
Actuator: Calibrated by Garrett
Garrett power capability: Up to 560 horsepower (412 kW) for the pair

What’s Included

Left turbocharger, Garrett 955654-5001S
Right turbocharger, Garrett 955655-5001S

Applications

Garrett lists the PowerMax MGT1446Z Turbo Kit for the US-market Z:

Nissan Z: RZ34 | 2023-present | 3.0L VR30DDTT Twin-Turbo V6

Notes

Each side is also sold alone as the Nissan Z left turbo or the Nissan Z right turbo
The Infiniti Q50 and Q60 use the Q50 and Q60 PowerMax turbo kit
Garrett notes that ECU calibration may be required depending on the setup and performance goals
The horsepower figure comes from laboratory flow testing of the turbos; results on the car depend on configuration and tuning

Frequently Asked Questions

What does the PowerMax MGT1446Z Turbo Kit for the Z contain? Two turbochargers: the left, Garrett 955654-5001S, and the right, Garrett 955655-5001S. Each is a complete direct-fit assembly with a calibrated actuator, so the PowerMax MGT1446Z Turbo Kit for the Z bolts to the factory mounting points and reuses the original oil, coolant, intake and exhaust connections.
Does it fit a 2022 Nissan Z? Garrett lists the North American Z from the 2023 model year and the Japanese Fairlady Z from 2022, all on the RZ34 chassis with the 3.0L VR30DDTT. Some distributors describe the car as the 2022 400Z; Garrett names it the Nissan Z, and all RZ34 cars with this engine are covered by the listing.
How much power will the Z make with these turbos? Garrett gives a capability of up to 560 horsepower, or 412 kW, for the pair, based on laboratory compressor flow testing. That is the turbo ceiling, not a dyno figure for a Z. Output depends on the configuration of the car, its supporting modifications and the ECU calibration.
Will I need to tune my Z? Garrett says ECU calibration may be required depending on the setup and the performance goals. Without a calibration that raises boost and fueling, the extra 12 percent of compressor flow stays in reserve and the car drives much like stock, which is fine for a replacement but not for an upgrade.
Can I use the Infiniti PowerMax kit on a Z? Order the Z part. Garrett sells the Z turbos as kit 959782-5001S and the Infiniti Q50 and Q60 turbos as kit 959783-5001S, with different single-side part numbers, even though both are MGT1446Z turbos with the same published wheel sizes. Garrett does not list them as interchangeable.

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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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

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 PowerMax MGT1446Z Turbo Kit for RZ34 Nissan Z 3.0L VR30DDTT [959782-5001S]

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Garrett PowerMax MGT1446Z Turbo Kit for RZ34 Nissan Z 3.0L VR30DDTT

Direct-Fit Design

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About Garrett

Reviews