SKU: TS-0550-3081 | UPC: 9329677020304
Turbosmart Gen-V WG38/40 3psi Black Inner Spring
This inner spring sets the base boost pressure at 3psi for Turbosmart Gen-V WG38 and WG40 wastegate actuators used in high-performance turbocharged vehicles. It provides accurate low-end boost control in custom turbo setups across various makes and models. Pair it with outer springs to achieve higher pressures reliably.
Key Features
- 3psi Rating: Delivers exact base boost pressure for responsive throttle and minimal lag in street or track applications
- Gen-V Compatibility: Direct fit for WG38 and WG40 internal wastegate actuators with no modifications needed
- High-Temperature Steel: Constructed from chrome silicon wire for enduring extreme heat and repeated cycles without fatigue
- Black Finish: Color-coded for quick identification during installs and maintenance
- Precision Manufacturing: Ground and pre-set in Australia for consistent performance and longevity
Product Notes
- Combine with Turbosmart outer springs to adjust total boost up to 26psi based on actuator model
- Inspect spring seating during boost creep troubleshooting for optimal function
- Packaged securely to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Depressurize turbo system and remove wastegate actuator cap to access inner spring
- Compatible with factory Turbosmart hardware and silicone diaphragm bases
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Turbosmart | Gen-V IWG38 Compact | All |
| Universal | Turbosmart | Gen-V IWG40 Compact | All |
| 1980+ | Universal | Turbocharged Vehicles | with WG38/40 |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia since 1997 for unmatched reliability in performance parts
- Strict quality control and rigorous testing ensure products exceed expectations
- Innovative design backed by dedicated research and staff expertise
Frequently Asked Questions
- Q: Which wastegate actuators does this spring fit?
A: Designed exclusively for Turbosmart Gen-V WG38 and WG40 internal actuators used in aftermarket turbo systems - Q: What material is the spring made from?
A: High-grade chrome silicon steel engineered for high heat resistance and precise spring rates - Q: What warranty coverage applies?
A: Backed by Turbosmart limited warranty when installed and used per guidelines
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box 4in x 3in x 1in
- Weight: 0.11 lbs
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