GARRETT 757707-0002 GT42/42R TURBINE HSG KIT DIV 1.15 A/R IN84IN

Product Description

Upgrade Your Turbo Setup with the Garrett 757707-0002 GT42/GT42R Turbine Housing Kit 1.15 A/R Divided T4

The Garrett 757707-0002 Turbine Housing Kit is designed for GT42 and GT42R turbocharger applications, delivering improved exhaust flow and optimized turbo performance. Featuring a divided T4 inlet and a 1.15 A/R ratio, this housing is ideal for high-horsepower builds requiring efficient turbine energy management and strong top-end performance.

This turbine housing is engineered to support larger displacement engines and high-boost applications by reducing exhaust restriction while maintaining proper turbine efficiency. The divided (twin-scroll) design helps improve spool characteristics and exhaust pulse separation when paired with the correct manifold setup.

Manufactured by Garrett for durability and precision fitment, the 757707-0002 turbine housing kit is a premium solution for performance enthusiasts building custom turbo systems, racing applications, or high-output diesel and gasoline engines.

Key Features:

• Genuine Garrett turbine housing kit
• Designed for GT42 and GT42R turbochargers
• 1.15 A/R ratio for high-performance applications
• Divided (twin-scroll) T4 inlet flange
• IN84 turbine inlet size
• Improves exhaust flow and turbine efficiency
• Ideal for high horsepower and racing builds

FAQ

What turbochargers does this housing fit?

This turbine housing is designed for use with Garrett GT42 and GT42R turbocharger platforms.

What does a 1.15 A/R ratio mean?

A 1.15 A/R ratio provides increased exhaust flow capacity, making it ideal for high horsepower builds that prioritize top-end performance.

What is a divided (twin-scroll) inlet?

A divided inlet separates exhaust pulses from the engine, improving turbo efficiency and spool characteristics when paired with a compatible manifold.

Is this suitable for street use?

This housing is typically used in high-performance or racing applications, but may be used on street builds depending on turbo sizing and setup.

Fitment

• Compatible with Garrett GT42 and GT42R turbochargers
• Designed for custom turbocharger applications
• Requires compatible T4 divided (twin-scroll) exhaust manifold

Note: This is a turbine housing kit for custom applications. Proper turbo matching and installation are required.

Specifications for Garrett 757707-0002