Turbosmart Gen4 CompGate40 External Wastegate
Fits Most Models – Universal 40mm Wastegate, 7 PSI Spring Pre-Fitted
TS-0505-1006
Overview:
The Turbosmart Gen4 CompGate40 is a high-quality external wastegate designed for enthusiasts seeking reliable boost control without the complexity of motorsport-grade components. Perfect for street performance applications, this 40mm wastegate offers excellent flow and heat management, making it suitable for vehicles running pump fuel or E85. Manufactured in Australia with over 25 years of experience, it delivers consistent performance and durability for a wide range of turbocharged setups.
Whether you're upgrading your turbo system or replacing an existing wastegate, the Gen4 CompGate40 provides a cost-effective, dependable solution that balances performance and longevity. Its versatile design fits most models, making it an ideal choice for daily drivers and performance enthusiasts alike.
Key Features:
The Gen4 CompGate40 combines advanced engineering with robust materials to ensure optimal boost control and durability. Key features include:
- V-Band inlet and outlet flanges designed to fit 40mm peer wastegate ports for easy integration.
- Unique locking collar design for secure and adjustable actuator positioning.
- Stainless steel cast body paired with an aluminum actuator housing for strength and heat resistance.
- Solid piece stainless steel valve for reliable sealing and long service life.
- Proprietary high-temperature silicone Nomex diaphragm that withstands extreme heat and pressure.
- Twin 1/16″ NPT reference ports for flexible boost reference line setups.
- Pre-fitted with a 7 PSI spring, with options to fit springs ranging from 3 to 26 PSI for customizable boost control.
Construction & Design:
The Gen4 CompGate40 is engineered with durability and performance in mind. Its stainless steel cast body offers excellent resistance to corrosion and thermal stress, while the aluminum actuator housing reduces weight without compromising strength. The wastegate’s V-Band inlet and outlet flanges ensure a tight, leak-free connection and simplify installation or removal.
The proprietary Nomex diaphragm combined with high-temp silicone seals provides reliable operation under demanding conditions, maintaining consistent boost control even during extended spirited driving or track sessions. The unique locking collar design allows precise actuator adjustment, ensuring optimal wastegate response and boost stability.
Installation & Fitment:
This external wastegate is designed to fit most turbocharged vehicles with 40mm wastegate ports, offering broad compatibility across many makes and models. The V-Band connections facilitate straightforward installation and removal without the need for welding modifications.
No cutting, drilling, or special tuning is required for installation, making it a convenient upgrade or replacement part for street-driven vehicles. The unit comes pre-fitted with a 7 PSI spring, but you can easily swap springs to tailor boost control to your specific setup.
- Fits most models with 40mm external wastegate ports
- V-Band inlet and outlet for peer fitment
- Pre-fitted with 7 PSI spring; compatible with springs from 3 to 26 PSI
- No cutting, drilling, or special tuning required
What's Included:
- Gen4 CompGate40 external wastegate unit
- Pre-fitted springs as per description (7 PSI)
- Gen4 stainless steel valve seat
- Gen4 V-band clamps
- Gen4 inlet and outlet weld flanges
- Locking collar adjustment tool
- 1/16″ NPT blanking plugs and 1/16″ nipples (5mm)
- Installation instructions
Ideal For:
The Turbosmart Gen4 CompGate40 is ideal for:
- Street performance enthusiasts seeking reliable boost control without motorsport complexity
- Turbocharged vehicles running pump fuel or E85
- Drivers looking for a durable, Australian-made external wastegate with proven quality
- Those requiring a versatile wastegate compatible with a wide range of turbo setups
- Users wanting a cost-effective solution with adjustable spring options for tailored boost management
