This Turbosmart turbine housing is engineered for high-performance forced induction systems requiring maximum exhaust flow and minimal backpressure. Designed for 80mm turbine wheels, the 1.28 A/R ratio is optimized for high-horsepower applications where top-end efficiency and peak power are the primary objectives. The T4 divided (twin-scroll) inlet flange allows for superior exhaust pulse management, helping to maintain energy and improve transient response when used with a divided manifold.

• Wheel Size: 80mm
• Inlet Flange: T4 Divided
• A/R Ratio: 1.28
• Material: High-temperature resistant casting
• Manufacturer: Turbosmart

Fine-tune your turbocharger’s power delivery and exhaust flow characteristics with this Turbosmart 80mm turbine housing. Engineered for high-horsepower builds, this housing utilizes a T4 divided (twin-scroll) inlet designed to maximize exhaust pulse energy and improve transient response when paired with a divided manifold.

The 1.15 A/R (Area/Radius) ratio is specifically selected for high-flow efficiency. By increasing the internal volume of the scroll, this housing reduces exhaust backpressure at high RPMs, allowing the engine to breathe more freely and sustain peak power levels during high-load conditions. It is an essential component for builders looking to optimize their forced induction system for top-end performance.

• Manufacturer: Turbosmart
• Turbine Wheel Compatibility: 80mm
• Inlet Flange: T4 Divided
• Aspect Ratio: 1.15 A/R
• Designed for reduced backpressure and high-RPM flow

Optimize your turbocharger’s flow characteristics with the Turbosmart 75mm Turbine Housing. This housing is specifically engineered for high-horsepower applications where managing backpressure and maximizing top-end exhaust flow are the primary objectives. With a large 1.28 A/R ratio, it is best suited for large-displacement engines or high-RPM racing setups that require unrestricted breathability at the limit.

The T4 divided (twin-scroll) flange design is utilized to maintain exhaust pulse energy, helping to improve spool-up response and transient boost performance when paired with a matching divided exhaust manifold. Precision cast to withstand extreme thermal cycling, this housing provides a reliable, high-performance solution for custom turbo configurations.

• Compatible Wheel Size: 75mm
• Inlet Flange: T4 Divided
• Aspect Ratio (A/R): 1.28
• Engineered for high-temperature durability and optimized flow
• Genuine Turbosmart component

Optimize your turbocharger's exhaust flow and thermal efficiency with this Turbosmart T4 Divided Turbine Housing. Specifically engineered for 75mm turbine wheels, this housing features a 1.15 A/R ratio, making it an ideal choice for high-horsepower applications where reducing backpressure and maximizing top-end flow are critical. The divided (twin-scroll) T4 flange design is built to improve exhaust pulse scavenging when paired with a matching divided manifold, helping to maintain boost response even with a larger A/R.

• Manufacturer: Turbosmart
• Flange Type: T4 Divided (Twin Scroll)
• A/R Ratio: 1.15
• Turbine Wheel Compatibility: 75mm
• Application: Designed for high-temperature durability and precision fitment within custom or upgraded turbo systems.

The Turbosmart 70mm Turbine Housing is precision-engineered for high-performance turbocharger configurations requiring efficient exhaust gas management. Featuring a T4 divided inlet, this housing is designed for use with twin-scroll manifolds to optimize exhaust pulse separation and improve transient response. The 1.28 A/R (Area/Radius) ratio is specifically suited for high-horsepower applications where minimizing exhaust backpressure at high RPM is critical for peak power output.

• Designed for 70mm turbine wheels
• T4 divided flange for twin-scroll exhaust setups
• High-flow 1.28 A/R ratio for reduced backpressure
• Heavy-duty construction to withstand extreme exhaust gas temperatures (EGTs)
• Optimizes turbocharger efficiency in high-load racing environments

The Turbosmart 70mm Turbine Housing is designed for high-horsepower applications that require precise exhaust flow management. Featuring a T4 divided (twin-scroll) inlet, this housing helps maintain exhaust pulse energy for better transient response while the large 1.15 A/R ratio provides the high-end flow capacity needed to reduce backpressure at high RPMs.

Engineered to withstand the extreme thermal loads found in turbocharged racing and street-performance environments, this housing is a critical component for fine-tuning your turbocharger's power delivery. It allows for optimized tuning of the boost threshold and top-end efficiency on 70mm wheel configurations.

• Manufacturer: Turbosmart
• Turbine Wheel Diameter: 70mm
• Inlet Flange: T4 Divided (Twin-Scroll)
• A/R Ratio: 1.15
• Construction: High-temperature resistant casting for durability under extreme heat

Optimize your turbocharger's efficiency and power delivery with the Turbosmart 70mm Kompact Turbine Housing. This high-flow housing is engineered to manage extreme exhaust temperatures while providing the precise tolerances required for performance tuning. The 1.18 A/R ratio is specifically suited for high-horsepower applications where maximizing top-end flow is critical.

• Brand: Turbosmart
• Series: Kompact (70mm)
• Inlet Flange: T4 Divided
• A/R Ratio: 1.18
• Material: High-temperature resistant casting
• Designed for optimized exhaust gas flow and reduced backpressure

The T4 divided (twin-scroll) inlet design helps reduce exhaust pulse interference, improving spool-up time and transient response when paired with a compatible divided manifold. This housing serves as a direct-fit component for 70mm Kompact series setups, ensuring a secure seal and reliable performance under high boost pressures.

This Turbosmart 66mm Turbine Housing is engineered for high-performance turbocharger configurations requiring a reverse rotation layout. Featuring a 0.82 A/R (Area/Radius) ratio, this housing provides an optimal balance between quick transient response and high-RPM exhaust flow, making it suitable for a wide range of street and track applications.

• Designed for 66mm turbine wheels
• 0.82 A/R ratio for balanced spool and power delivery
• Reverse rotation configuration for symmetrical twin-turbo setups or specialized engine packaging
• V-Band inlet and outlet flanges for a secure, leak-free seal and easy clocking
• High-heat resistant construction for durability under extreme thermal loads

This Turbosmart 62mm turbine housing is engineered for high-performance turbocharger systems requiring precise exhaust gas management. The 0.62 A/R (Area/Radius) ratio is optimized for rapid spool-up and improved low-to-mid range response, making it an ideal choice for street-driven performance vehicles and applications where transient response is critical.

Constructed from high-temperature resistant alloys to withstand extreme thermal cycling, this housing features V-band inlet and outlet connections. The V-band design ensures a secure, leak-free seal without the need for traditional gaskets and allows for 360-degree clocking during installation, providing maximum flexibility when fabricating manifolds and downpipes in tight engine bays.

• Manufacturer: Turbosmart
• Turbine Wheel Compatibility: 62mm
• A/R Ratio: 0.62
• Inlet Interface: V-Band
• Outlet Interface: V-Band
• Material: High-grade heat-resistant alloy

This genuine Garrett turbine housing kit (MPN 827690-0001) is engineered for GT28R series turbochargers, providing a high-performance solution for custom exhaust configurations. Featuring a 0.57 A/R ratio, this housing offers a precise balance of quick spool-up and high-flow efficiency. The housing is cast from Ni-Resist, a high-nickel iron alloy specifically designed to withstand extreme exhaust gas temperatures and thermal cycling without cracking or warping.

The use of V-band flanges for both the inlet and outlet simplifies installation by eliminating the need for traditional paper gaskets and studs. This design ensures a secure, leak-free seal and allows for easier turbo clocking when orienting the turbocharger within custom engine bays.

• Manufacturer Part Number: 827690-0001
• Turbo Series: GT28R
• A/R Ratio: 0.57 A/R
• Inlet Style: V-Band
• Outlet Style: V-Band
• Material: Ni-Resist (Nickel-Alloyed Cast Iron)
• Volute Design: Open Volute (O/V)

The Turbosmart 75mm C Frame Turbine Housing (TS-19TH75C-T4124) is a high-performance component engineered for precise exhaust gas management in forced induction systems. Designed for C Frame turbocharger configurations, this housing features a T4 inlet flange and a 1.24 A/R ratio, making it an ideal choice for applications requiring reduced backpressure and maximum flow at high RPMs.

• Manufacturer Part Number: TS-19TH75C-T4124
• Inducer Diameter: 75mm
• Frame Series: C Frame
• Inlet Flange: T4
• A/R Ratio: 1.24
• Construction: High-temperature resistant casting for maximum durability
• Application: Designed for high-flow exhaust scavenging and top-end power

Tailor your turbocharger’s exhaust flow and spool characteristics with the Garrett G42 Series Turbine Housing Kit. This kit is engineered specifically for G42 super cores, featuring a 1.01 A/R ratio that offers a precise balance between low-end response and top-end flow capacity. It is an essential component for tuners looking to optimize backpressure and turbine efficiency for specific displacement and power targets.

Constructed to withstand extreme exhaust temperatures, this housing utilizes V-band connections for both the inlet and outlet. The V-band design allows for 360-degree clocking flexibility during installation and ensures a secure, leak-free seal without the need for traditional gaskets. This kit provides the professional-grade hardware required to complete the assembly on your G42 turbocharger.

• Series: Garrett G42
• A/R Ratio: 1.01
• Inlet Style: V-Band
• Outlet Style: V-Band
• Manufacturer Part Number: 757707-0011

This genuine BorgWarner AirWerks S400SX turbine housing is engineered for high-performance applications requiring precise exhaust gas management. It serves as a direct replacement or an upgrade to tune the transient response and power delivery of your S400SX series turbocharger.

The 1.00 A/R (Area/Radius) ratio offers a balanced performance profile, providing sufficient flow for high-horsepower targets while maintaining manageable spool times. This housing features a T4 divided inlet to maximize exhaust pulse energy and a VTF (V-Band Turbine Flange) outlet for a secure, leak-free connection and simplified downpipe installation. It is precision-machined specifically for the 87mm turbine wheel.

• Manufacturer Part Number: 178788
• Series: S400SX / SX
• Turbine Wheel Diameter: 87mm
• A/R Ratio: 1.00
• Inlet Flange: T4 Divided
• Outlet Style: VTF (V-Band)
• Material: High-temperature resistant cast iron

The Turbosmart B Frame T4 Divided Turbine Housing is engineered for high-performance turbocharger configurations requiring precision exhaust gas management. Designed specifically for 70mm turbine wheels, this housing features a twin-scroll divided inlet to optimize exhaust pulse energy, resulting in improved spool times and reduced turbo lag compared to standard open-entry designs.

Constructed to withstand extreme thermal cycling and high exhaust gas temperatures (EGTs), this 1.00 A/R housing provides an ideal balance for street and track applications that demand high-flow capacity without sacrificing low-end responsiveness. This housing serves as a direct-fit component for compatible B Frame turbocharger assemblies, ensuring reliable fitment and seal integrity.

• Manufacturer Part Number: TS-19TH70B-D4100
• Frame Size: B Frame
• Turbine Wheel Compatibility: 70mm
• Inlet Flange: T4 Divided (Twin Scroll)
• Aspect Ratio (A/R): 1.00

The Turbosmart TS-19TH66B-VB082IWG is a precision-engineered turbine housing designed specifically for TS-1 and TS-2 series turbochargers with 66mm turbine wheels. Featuring a 0.82 A/R (aspect ratio), this housing provides an ideal balance between quick spool-up and high-volume exhaust flow, making it a versatile choice for both street and track performance.

This housing utilizes V-band inlet and outlet connections for a secure, leak-free seal and easier installation or removal compared to traditional flanged housings. The integrated internal wastegate (IWG) configuration offers a streamlined solution for boost control, perfect for engine bays where space is at a premium and a compact turbo setup is required.

• Manufacturer Part Number: TS-19TH66B-VB082IWG
• Compatibility: Turbosmart TS-1 and TS-2 series 66mm turbos
• Aspect Ratio (A/R): 0.82
• Inlet/Outlet: V-Band
• Wastegate Style: Internal Wastegate

This Turbosmart B Frame turbine housing is precision-engineered for enthusiasts and tuners looking to optimize the exhaust-side performance of their turbocharger. Designed specifically for use with 66mm turbine wheels, this housing allows for precise control over the boost threshold and exhaust backpressure characteristics of your forced induction system.

The 0.82 A/R (Area/Radius) ratio provides a versatile balance between low-end response and high-RPM flow, making it an ideal choice for street and track applications where mid-range torque and top-end power are both priorities. This unit is designed for durability under high thermal loads and features a standard T4 inlet flange for compatibility with a wide range of exhaust manifolds.

• Frame Size: B Frame
• Turbine Wheel Diameter: 66mm
• A/R Ratio: 0.82
• Inlet Flange: T4
• Manufacturer Part Number: TS-19TH66B-T4082

The Turbosmart B Frame T3 1.10 A/R Turbine Housing is engineered for high-performance applications that demand significant exhaust flow and reduced backpressure. Designed for use with Turbosmart B Frame turbochargers, this housing is precision-machined to accommodate a 66mm turbine wheel. The 1.10 A/R ratio provides a high-flow configuration, making it ideal for large-displacement engines or high-RPM builds where top-end power is the priority.

• Manufacturer Part Number: TS-19TH66B-T3110
• Frame Series: B Frame
• Inlet Flange: T3
• A/R Ratio: 1.10
• Turbine Wheel Compatibility: 66mm
• Construction: High-temperature cast material for thermal stability and durability
• Fitment: Replaces or upgrades existing B Frame turbine housings

This Turbosmart B-Frame turbine housing is engineered for precision exhaust flow management and long-term durability under high thermal loads. Designed specifically for 66mm turbine wheels, this housing allows tuners and builders to optimize turbocharger response and top-end flow by selecting the appropriate A/R ratio for their specific engine configuration.

The 0.82 A/R provides a versatile balance between low-end spool-up and high-RPM efficiency, making it an excellent choice for high-performance street and track setups. It features a standard T3 inlet flange for seamless integration with a wide variety of aftermarket exhaust manifolds.

• Manufacturer Part Number: TS-19TH66B-T3082
• Frame Size: Turbosmart B-Frame
• Turbine Wheel Diameter: 66mm
• A/R Ratio: 0.82
• Inlet Flange: T3
• Material: High-temperature resistant casting

Fine-tune your turbocharger’s response and flow characteristics with the Turbosmart B Frame T3 0.63 A/R 66mm Turbine Housing. This high-performance exhaust housing is engineered specifically for B Frame turbochargers utilizing a 66mm turbine wheel. The 0.63 A/R ratio offers a versatile balance, providing a quicker boost threshold than larger housings while maintaining significant flow capacity for mid-to-high RPM performance.

Constructed to withstand the extreme thermal stresses of forced induction, this housing features a standard T3 inlet flange for broad compatibility with various exhaust manifolds. Whether you are replacing a worn component or adjusting your turbo's A/R to better suit your engine's displacement and power goals, this housing ensures precise fitment and reliable service life.

• Manufacturer Part Number: TS-19TH66B-T3063
• Turbo Frame: Turbosmart B Frame
• Turbine Wheel Compatibility: 66mm
• Aspect Ratio (A/R): 0.63
• Inlet Flange: T3
• Material: High-temperature resistant cast construction

The Turbosmart B Frame Turbine Housing is engineered for high-performance forced induction systems requiring precise exhaust flow management. This housing is designed specifically for 66mm turbine wheels and features a T4 divided flange, making it ideal for twin-scroll manifolds to maximize exhaust pulse energy and improve transient response.

With a 1.00 A/R ratio, this housing provides an excellent balance between spool-up speed and top-end flow, reducing backpressure in high-horsepower applications. Built to withstand extreme thermal cycling, it ensures consistent performance and housing integrity under heavy boost conditions.

• Frame Size: B Frame
• Inlet Flange: T4 Divided
• A/R Ratio: 1.00
• Turbine Wheel Compatibility: 66mm
• Manufacturer Part Number: TS-19TH66B-D4100

The Turbosmart 62mm Internal Wastegate (IWG) Turbine Housing is engineered specifically for TS-1 and TS-2 series turbochargers. Featuring a 0.82 A/R ratio, this housing provides a versatile balance between low-end response and high-rpm flow, making it suitable for a wide range of performance street and track builds.

This housing is designed for simplified installation and reliable boost control. By utilizing V-band inlet and outlet connections, it ensures a secure, leak-free seal without the need for traditional gaskets or heavy bolting. The integrated internal wastegate design is ideal for space-constrained engine bays, providing consistent boost management without the complexity of external plumbing.

• Compatible with Turbosmart TS-1 and TS-2 62mm turbocharger assemblies
• A/R Ratio: 0.82
• Turbine Wheel Diameter: 62mm
• Connection Style: V-Band Inlet/Outlet
• Configuration: Internal Wastegate (IWG)
• Manufacturer Part Number: TS-19TH62B-VB082IWG

The Turbosmart B Frame T4 Turbine Housing is engineered for high-performance applications requiring precise exhaust gas management and flow efficiency. This housing is designed specifically for B Frame turbochargers featuring a 62mm turbine wheel. With a 0.82 A/R (Area/Radius) ratio, it provides a versatile balance between spool-up response and high-end flow capacity, making it suitable for both street and competitive track environments.

Constructed from high-temperature resistant materials, this housing is built to withstand extreme thermal cycles and high boost pressures without compromising structural integrity. It is an essential component for custom turbocharger configurations or as a replacement for worn or damaged housings on compatible B Frame units.

• Manufacturer Part Number: TS-19TH62B-T4082
• Frame Size: B Frame
• Inlet Flange: T4
• A/R Ratio: 0.82
• Turbine Wheel Diameter: 62mm
• Design: Precision-cast for optimized internal exhaust flow

The Turbosmart 62mm T3 0.82 A/R Turbine Housing is a precision-engineered component designed to optimize the exhaust flow characteristics of your turbocharger. This housing allows enthusiasts and tuners to fine-tune the balance between low-end boost response and high-end flow capacity by utilizing a mid-range 0.82 A/R (Area/Radius) ratio.

Constructed to withstand the extreme thermal stresses of high-performance applications, this turbine housing ensures consistent geometry under load, preventing leaks and maintaining efficiency. The T3 inlet flange provides a secure connection to common manifold configurations, making it a versatile choice for a wide range of custom turbo setups.

• Manufacturer Part Number: TS-19TH62B-T3082
• Turbine Wheel Compatibility: 62mm
• Inlet Flange: T3
• A/R Ratio: 0.82
• Application: Direct replacement or performance upgrade for compatible turbocharger assemblies

The TiAL Sport GT30 .82 A/R Stainless Steel Turbine Housing is a premium upgrade for GT30 series turbochargers, engineered to provide superior thermal management and weight reduction over traditional cast-iron alternatives. Manufactured from high-grade stainless steel, this housing (MPN 002460) resists corrosion and maintains structural integrity under the extreme exhaust gas temperatures found in high-performance applications.

With a .82 A/R ratio, this housing offers an ideal balance between low-end responsiveness and high-RPM flow capacity. The stainless steel construction not only sheds weight but also improves heat retention, keeping exhaust energy focused on the turbine wheel for efficient spool-up. This is an essential component for custom turbo setups where durability and precision are paramount.

• Manufacturer Part Number: 002460
• Turbocharger Series: TiAL GT30
• A/R Ratio: .82
• Material: Stainless Steel
• Construction: High-heat resistant housing

The Garrett GT28R turbine housing kit (MPN 827690-0003) is a precision-engineered component for GT28R series turbochargers, designed to balance quick transient response with efficient exhaust flow. With its 0.64 A/R ratio, this housing is optimized for rapid spool-up and low-to-mid range torque, making it a preferred choice for street-oriented performance builds.

Constructed from High Silicon Molybdenum (Hi-Sil) ductile iron, this housing provides superior resistance to thermal fatigue and cracking under the extreme exhaust gas temperatures common in high-performance turbocharged applications. The open volute design ensures consistent gas delivery to the turbine wheel for reliable performance.

• Manufacturer Part Number: 827690-0003
• Turbine Series: Garrett GT28R
• A/R Ratio: 0.64
• Inlet Flange: T25
• Outlet Flange: 5-Bolt
• Configuration: Open Volute (O/V)
• Material: High Silicon Molybdenum (Hi-Sil)

Fine-tune the performance and response characteristics of your G-Series turbocharger with this Garrett G40 Turbine Housing Kit (757707-0034). Engineered specifically for standard rotation G40 units, this housing features a 1.06 A/R ratio, providing an excellent balance of exhaust flow and spool-up efficiency for high-horsepower applications.

The divided T4 inlet is designed to capitalize on exhaust pulse energy to improve turbine response, while the V-band outlet ensures a reliable, high-pressure seal and simplified downpipe installation. Manufactured from high-temp resistant materials to withstand extreme thermal cycling, this kit includes the essential hardware required to mate the housing to the CHRA.

• Compatible with Garrett G40 Series Turbochargers
• Rotation: Standard
• A/R Ratio: 1.06
• Inlet Flange: Divided T4
• Outlet Flange: V-Band
• Manufacturer Part Number: 757707-0034

Optimize your G-Series G40 turbocharger configuration with this genuine Garrett turbine housing kit. Engineered for high-flow efficiency and extreme heat cycling, the 1.06 A/R provides a balanced performance profile suitable for high-horsepower builds where exhaust backpressure management and top-end flow are critical. The V-band inlet and outlet configuration eliminates the need for gaskets and traditional bolt-flange hardware, offering a superior seal and simplified clocking during installation.

• Compatible with Garrett G-Series G40 turbochargers
• 1.06 A/R (Aspect Ratio) optimized for high-exhaust flow
• V-Band inlet and V-Band outlet connections for secure, leak-free fitment
• Precision cast construction for maximum durability under high thermal loads
• Manufacturer Part Number: 757707-0029

This genuine Garrett G-Series turbine housing kit is engineered to maximize the performance and efficiency of your G42 turbocharger. Featuring a divided T4 (twin scroll) inlet, this housing is designed to capitalize on exhaust gas pulse energy to improve spool-up and transient response. The 1.01 A/R ratio provides a versatile balance, offering high-flow capacity for top-end power while maintaining enough velocity for a broad powerband.

Constructed for high-heat durability, this housing utilizes a V-band discharge for a secure, leak-free connection to the downpipe, simplifying installation and removal during service. This kit is a direct fit for G42 series rotating groups, allowing you to fine-tune your turbocharger’s performance characteristics for specific engine displacements and power goals.

• Turbo Series: Garrett G42
• A/R Ratio: 1.01
• Inlet Style: Divided T4 (Twin Scroll)
• Outlet Style: V-Band
• Manufacturer Part Number: 757707-0014

Optimize your G-Series turbocharger setup with the Garrett G42 turbine housing kit. This 1.15 A/R housing is engineered for high-horsepower applications where maximizing exhaust flow and reducing backpressure are critical for peak performance. The V-band inlet and outlet configuration provides a secure, gasket-free seal and allows for 360-degree clocking during installation, simplifying downpipe and manifold alignment.

• Part Number: 757707-0012
• Series: Garrett G-Series G42
• Turbine A/R: 1.15
• Inlet Attachment: V-Band
• Outlet Attachment: V-Band
• Volute: Open (Single Scroll)

This kit includes the necessary hardware for mounting the housing to the CHRA, ensuring a precise fit and factory-level reliability for your forced induction system.

The Garrett GBC35 Turbine Housing Kit (740902-0124) is engineered to optimize the performance and exhaust flow of your GBC35 series turbocharger. This housing features a 0.82 A/R ratio, providing a versatile balance between spool-up response and high-end flow capacity for performance-driven applications.

Constructed from high-temperature resistant materials to withstand extreme thermal stress, this housing utilizes an Open T4 inlet flange for broad manifold compatibility and a V-band outlet for a secure, leak-free downpipe connection. This kit provides the precise tolerances and heat management required for reliable forced induction performance.

• Fits Garrett GBC35 series turbochargers
• 0.82 A/R (Area/Radius) for efficient exhaust gas scavenging
• Open T4 inlet flange configuration
• V-band discharge for simplified installation and a tight seal
• Cast for high-temperature durability and crack resistance
• Manufacturer Part Number: 740902-0124