SKU: TS-0552-1002 | UPC: 9329677018622
Turbosmart WG40 Gen V Compgate 40mm – 7 PSI Black
The Turbosmart WG40 Gen V CompGate 40mm – 7 PSI Black is a high-performance external wastegate designed for turbocharged engines requiring accurate boost management. This universal part fits most aftermarket turbo manifolds with V-band flanges, delivering reliable operation across street and motorsport applications. It provides substantial boost control from 7 PSI base with optional springs for tuning up to 26 PSI.
Key Features
- Gen V Actuator: Mechanical coil spring design eliminates pneumatic failures for consistent boost holding under extreme heat
- 40mm Valve: Delivers up to 50 percent more flow than previous generations supporting turbos up to 850hp
- 347 Stainless Steel Body: Withstands temperatures over 1000 degrees Celsius paired with Nitronic 60 valve seat for durability
- Silicone Nomex Diaphragm: Reinforced for extended life and resistance to boost creep or flutter
- Black Anodized Finish: Corrosion resistant with sleek motorsport styling for clean underhood appearance
Product Notes
- Includes 7 PSI spring. additional springs (3, 5, 10, 14 PSI) available separately for boost adjustment
- Separate upper and lower housings allow easy spring changes without disassembly
- Ships fully assembled with V-band clamps, gaskets, and fittings
Installation Notes
- Professional installation recommended.
- Weld V-band flange (not included) to exhaust manifold in proper location
- Compatible with standard V-band dump pipes. secure all clamps to 8 Nm torque
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Most Turbocharged | Vehicles | With V-Band Manifold |
| 2004-2021 | Subaru | Impreza WRX STI | All |
| 2003-2007 | Mitsubishi | Lancer Evolution | VIII IX |
| 1989-2002 | Nissan | Skyline GT-R R32-R34 | RB26DETT |
| 1995-2002 | Nissan | Silvia S15 | SR20DET |
| 2009+ | Nissan | GT-R R35 | All |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia since 1997 with strict quality control
- Proven reliability in professional motorsport worldwide
- Rigorous in-house testing exceeds performance expectations
Frequently Asked Questions
- Q: Will this wastegate fit my turbo setup?
A: Universal design works with any manifold featuring a V-band wastegate flange. ideal for Subaru STI, Evo, Nissan RB/SR engines - Q: What materials are used in construction?
A: 347 stainless steel housings, Nitronic 60 valve seat, silicone Nomex diaphragm, and high-temperature springs - Q: What is the warranty and boost range?
A: Turbosmart limited warranty applies. base 7 PSI with actuator range 5-26 PSI using optional springs
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-lined box measuring 10 x 8 x 6 inches
- Weight: 1.98 lbs product / 2.6 lbs shipping
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