Is the 1.01 A/R reverse G35 Turbine Housing Kit right for my twin turbo V8?

It suits a large twin-turbo V8 where each G35 is expected to run toward its rating. The 1.01 A/R reverse G35 Turbine Housing Kit lowers back pressure per bank at high load. If the engine is smaller or the priority is early boost, the 0.83 A/R reverse housing is a better fit.

Which standard housing goes on the other bank?

Part 740902-0104, the standard-rotation 1.01 A/R V-band free-float housing. Matching the A/R and inlet on both turbochargers means each bank builds boost at the same rate, which keeps the wastegate setup and the calibration manageable. Running different A/R sizes side by side makes the two banks harder to balance.

Will this housing fit a standard rotation G35?

No. It is made for a turbine wheel spinning in reverse, and Garrett lists it only for reverse-rotation G35 super cores. Standard cores need part 740902-0104 or another standard-rotation G35 housing, which Garrett lists in T3, divided T4 and V-band inlet forms from 0.61 to 1.21 A/R.

Can the reverse housing be rotated to line up with the manifold?

Yes. As a free-float housing it uses the V-band joint to the center housing, which Garrett states allows 360 degree orientation with its non-wastegated turbine housings. That helps align mirrored manifolds and downpipes on both banks, which rarely come out perfectly symmetrical on a real engine.

Which reverse cores suit the 1.01 A/R V-band housing?

The reverse-rotation G35-900 and G35-1050 super cores, and the G-Series II G35-990 reverse super core, part 934126-5001S. All three share the 68mm by 62mm G35 turbine wheel and the same turbine housings across generations, so the core choice comes down to compressor size and power target.

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Description

Garrett G35 Turbine Housing Kit, 1.01 A/R V-Band Free Float Reverse Rotation

Garrett’s G35 Turbine Housing Kit in 1.01 A/R reverse rotation is a high-flow V-band volute for reverse G35 cores, free float in stainless steel. Garrett lists part 740902-0114 for the reverse-rotation G35-900, G35-1050 and G-Series II G35-990. It suits large twin-turbo engines, where each G35 is pushed toward its rating and exhaust flow per bank is high enough to spool the larger volute, paired with the standard 1.01 A/R housing, part 740902-0104. On a smaller twin-turbo V6, the 0.83 or 0.61 A/R reverse housings will bring boost in far sooner.

High Flow Per Bank

When each G35 in a twin system runs near its rated output, back pressure at the turbine becomes the limiting factor. The 1.01 A/R reverse volute eases that, and it mirrors the standard 1.01 A/R housing so both banks keep matched exhaust paths. Garrett states that its non-wastegated housings clock through 360 degrees on the center housing V-band.

Features

Reverse-rotation 1.01 A/R volute
V-band inlet and outlet
Free-float design, external wastegate required

Specifications

Garrett part number: 740902-0114
A/R: 1.01
Turbine inlet and outlet: V-band and V-band
Wastegate: External (free float)
Rotation: Reverse
Material: Stainless steel, rated to 1050C (1922F)

Applications

Garrett lists this G35 Turbine Housing Kit for these reverse-rotation super cores:

Garrett G35-900 Reverse Rotation: 880696-5001S
Garrett G35-990 G-Series II Reverse Rotation: 934126-5001S
Garrett G35-1050 Reverse Rotation: 880696-5002S

Notes

An external wastegate is required, because this free-float housing has no internal wastegate
The reverse-rotation G35 super core is sold separately
Reverse rotation only; the standard-rotation 1.01 A/R V-band housing is part 740902-0104
Garrett lists the larger 1.21 A/R reverse V-band G35 housing as part 740902-0115

Frequently Asked Questions

Is the 1.01 A/R reverse G35 Turbine Housing Kit right for my twin turbo V8? It suits a large twin-turbo V8 where each G35 is expected to run toward its rating. The 1.01 A/R reverse G35 Turbine Housing Kit lowers back pressure per bank at high load. If the engine is smaller or the priority is early boost, the 0.83 A/R reverse housing is a better fit.
Which standard housing goes on the other bank? Part 740902-0104, the standard-rotation 1.01 A/R V-band free-float housing. Matching the A/R and inlet on both turbochargers means each bank builds boost at the same rate, which keeps the wastegate setup and the calibration manageable. Running different A/R sizes side by side makes the two banks harder to balance.
Will this housing fit a standard rotation G35? No. It is made for a turbine wheel spinning in reverse, and Garrett lists it only for reverse-rotation G35 super cores. Standard cores need part 740902-0104 or another standard-rotation G35 housing, which Garrett lists in T3, divided T4 and V-band inlet forms from 0.61 to 1.21 A/R.
Can the reverse housing be rotated to line up with the manifold? Yes. As a free-float housing it uses the V-band joint to the center housing, which Garrett states allows 360 degree orientation with its non-wastegated turbine housings. That helps align mirrored manifolds and downpipes on both banks, which rarely come out perfectly symmetrical on a real engine.
Which reverse cores suit the 1.01 A/R V-band housing? The reverse-rotation G35-900 and G35-1050 super cores, and the G-Series II G35-990 reverse super core, part 934126-5001S. All three share the 68mm by 62mm G35 turbine wheel and the same turbine housings across generations, so the core choice comes down to compressor size and power target.

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 G35 Turbine Housing Kit, 1.01 A/R V-Band Free Float Reverse Rotation [740902-0114]

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Garrett G35 Turbine Housing Kit, 1.01 A/R V-Band Free Float Reverse Rotation

High Flow Per Bank

Features

Specifications

Applications

Notes

Frequently Asked Questions

About Garrett

Reviews