Garrett G35 Turbine Housing Kit 1.21 A/R V-Band Inlet/Outlet — Standard Rotation Turbo Upgrade

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SKU: GRT740902-0105
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About Garrett Garrett Advancing Motion is the OE turbocharger supplier ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Garrett

Garrett Advancing Motion is the OE turbocharger supplier to Porsche, BMW, Mercedes-Benz, GM, and Ford — and the choice of NASCAR, IndyCar, and Formula DRIFT. Every Garrett turbo features dual ball-bearing CHRA technology and motorsport-derived compressor wheels.

Unleash Maximum Potential with the G35 1.21 A/R Housing

For the ultimate high-horsepower build, the Garrett G35 Turbine Housing with a 1.21 A/R ratio is the definitive choice. Designed for standard rotation G35 turbochargers, this housing provides the largest expansion volume available, significantly reducing exhaust backpressure and allowing your engine to reach its maximum power potential at high RPMs.

Performance Specifications

  • A/R Ratio: 1.21 for maximum top-end flow and power.
  • Inlet/Outlet: V-Band configuration for optimal exhaust efficiency.
  • Rotation: Standard rotation for G35 series turbos.
  • Construction: High-strength, heat-resistant casting.
  • Application: Ideal for high-boost, large displacement, or racing engines.

The 1.21 A/R housing is engineered for those who demand nothing less than maximum output. By minimizing restriction in the exhaust path, this housing allows the turbine wheel to operate more efficiently, which is essential when running high boost pressures. The V-Band inlet and outlet ensure that your exhaust system is as efficient as the turbo itself, providing a seamless transition for high-velocity exhaust gases. This housing is a must-have for drag racers and time-attack competitors who need sustained power throughout the entire power band. Its robust design ensures it can handle the intense heat and pressure of competitive racing without compromising structural integrity. Upgrade your standard rotation G35 turbo to the 1.21 A/R housing to experience the difference that proper exhaust housing sizing makes in your overall engine performance. Find all your high-performance turbo upgrades at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Garrett

Garrett Advancing Motion is the OE turbocharger supplier to Porsche, BMW, Mercedes-Benz, GM, and Ford — and the choice of NASCAR, IndyCar, and Formula DRIFT. Every Garrett turbo features dual ball-bearing CHRA technology and motorsport-derived compressor wheels.

Unleash Maximum Potential with the G35 1.21 A/R Housing

For the ultimate high-horsepower build, the Garrett G35 Turbine Housing with a 1.21 A/R ratio is the definitive choice. Designed for standard rotation G35 turbochargers, this housing provides the largest expansion volume available, significantly reducing exhaust backpressure and allowing your engine to reach its maximum power potential at high RPMs.

Performance Specifications

  • A/R Ratio: 1.21 for maximum top-end flow and power.
  • Inlet/Outlet: V-Band configuration for optimal exhaust efficiency.
  • Rotation: Standard rotation for G35 series turbos.
  • Construction: High-strength, heat-resistant casting.
  • Application: Ideal for high-boost, large displacement, or racing engines.

The 1.21 A/R housing is engineered for those who demand nothing less than maximum output. By minimizing restriction in the exhaust path, this housing allows the turbine wheel to operate more efficiently, which is essential when running high boost pressures. The V-Band inlet and outlet ensure that your exhaust system is as efficient as the turbo itself, providing a seamless transition for high-velocity exhaust gases. This housing is a must-have for drag racers and time-attack competitors who need sustained power throughout the entire power band. Its robust design ensures it can handle the intense heat and pressure of competitive racing without compromising structural integrity. Upgrade your standard rotation G35 turbo to the 1.21 A/R housing to experience the difference that proper exhaust housing sizing makes in your overall engine performance. Find all your high-performance turbo upgrades at GGCRACING.

Product Details

Product Description

About Garrett

Garrett Advancing Motion is the OE turbocharger supplier to Porsche, BMW, Mercedes-Benz, GM, and Ford — and the choice of NASCAR, IndyCar, and Formula DRIFT. Every Garrett turbo features dual ball-bearing CHRA technology and motorsport-derived compressor wheels.

Unleash Maximum Potential with the G35 1.21 A/R Housing

For the ultimate high-horsepower build, the Garrett G35 Turbine Housing with a 1.21 A/R ratio is the definitive choice. Designed for standard rotation G35 turbochargers, this housing provides the largest expansion volume available, significantly reducing exhaust backpressure and allowing your engine to reach its maximum power potential at high RPMs.

Performance Specifications

  • A/R Ratio: 1.21 for maximum top-end flow and power.
  • Inlet/Outlet: V-Band configuration for optimal exhaust efficiency.
  • Rotation: Standard rotation for G35 series turbos.
  • Construction: High-strength, heat-resistant casting.
  • Application: Ideal for high-boost, large displacement, or racing engines.

The 1.21 A/R housing is engineered for those who demand nothing less than maximum output. By minimizing restriction in the exhaust path, this housing allows the turbine wheel to operate more efficiently, which is essential when running high boost pressures. The V-Band inlet and outlet ensure that your exhaust system is as efficient as the turbo itself, providing a seamless transition for high-velocity exhaust gases. This housing is a must-have for drag racers and time-attack competitors who need sustained power throughout the entire power band. Its robust design ensures it can handle the intense heat and pressure of competitive racing without compromising structural integrity. Upgrade your standard rotation G35 turbo to the 1.21 A/R housing to experience the difference that proper exhaust housing sizing makes in your overall engine performance. Find all your high-performance turbo upgrades at GGCRACING.

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