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SKU: TS-0550-3084 | UPC: 9329677020335
Turbosmart Gen-V WG38/40 14psi Red Outer Spring
The Turbosmart Gen-V WG38/40 14psi Red Outer Spring provides a precise 14psi preload for consistent boost control in 38mm and 40mm external wastegates. It installs directly into Turbosmart GenV WG38 and WG40 actuators used on turbocharged performance vehicles like Subaru Impreza WRX STI Mitsubishi Lancer Evolution and Nissan 240SX. This spring ensures dependable operation cycle after cycle in demanding racing and street applications.
Key Features
- 14psi Preload: Establishes accurate base boost pressure for setups running up to 14psi with room for solenoid adjustment
- Red Color Code: Enables fast identification when servicing or rebuilding wastegate actuators
- Premium Spring Steel: Resists fatigue and maintains tension through thousands of actuation cycles
- Direct Fit Design: Matches GenV WG38 38mm and WG40 40mm wastegates without modifications
- Factory Tested: Undergoes strict quality checks in Sydney Australia for zero defects
Product Notes
- Pair with yellow or green inner springs to increase total base pressure
- Check actuator diaphragm condition before spring replacement
- Packages in protective sleeve for damage-free delivery
Installation Notes
- Professional installation recommended.
- Depressurize system remove actuator cap and swap spring in under 5 minutes
- Uses stock Turbosmart hardware no additional parts needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2015-2021 | Subaru | WRX | STI |
| 2003-2006 | Mitsubishi | Lancer | Evolution VIII/IX |
| 2007-2015 | Mitsubishi | Lancer | Evolution X |
| 1989-1994 | Nissan | 240SX | S13/S14 |
| 1995-1998 | Nissan | 240SX | S14 |
| 1995-1999 | Mitsubishi | 3000GT | VR-4 |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia since 1997 with proven track record
- Innovative design backed by dedicated research and testing facility
- Extraordinary after-sales support from performance industry leader
Frequently Asked Questions
-
Q: Which wastegates is this spring compatible with?
A: Direct replacement for Turbosmart GenV WG38 38mm and WG40 40mm external wastegates on aftermarket turbo setups -
Q: What material construction does it use?
A: High-tensile spring steel heat-treated for maximum durability and consistent performance -
Q: What warranty coverage applies?
A: Turbosmart offers product-specific warranty register at turbosmart.com for details and support
Shipping & Handling
- Method: UPS Ground or USPS Priority Mail
- Availability: In stock - ships same or next business day
- Packaging: Secure padded envelope 4in x 4in x 1in
- Weight: 0.11 lbs
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