SKU: TS-0505-2003 | UPC: 9329677010305
Turbosmart WG40 7PSI Middle Spring Brown/Purple TS-0505-2003
The Turbosmart WG40 7PSI Middle Spring in Brown/Purple serves as a direct replacement for WG40 external wastegate actuators including Gen V Plumb Back and Race Port models. This spring provides exact 7 PSI preload for reliable boost management in stacked configurations. It fits performance turbocharged vehicles equipped with Turbosmart WG40 wastegates delivering consistent response and durability under extreme conditions.
Key Features
- 7 PSI Spring Rate: Sets precise base boost level ideal for middle position in dual or triple spring setups on WG40 actuators
- Color Coding Brown/Purple: Ensures quick visual identification during maintenance and correct assembly
- High-Tensile Steel Construction: Withstands high temperatures pressures and repeated cycles for long-term reliability
- Direct OEM Replacement: Engineered for seamless fit in all Turbosmart WG40 wastegates without modifications
- Australian Engineered: Produced with advanced manufacturing for consistent performance in demanding motorsport applications
Product Notes
- Positioned as middle spring typically combined with lighter or heavier springs for custom boost targets
- Inspect actuator diaphragm during replacement for optimal function
- Packaged in protective sleeve to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Fully depressurize turbo system and release actuator preload before spring swap
- Uses standard Turbosmart WG40 mounting hardware and circlip retention
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2003-2015 | Mitsubishi | Lancer | Evolution VIII/IX/X |
| 1989-2005 | Nissan | 240SX | S13/S14/S15 |
| 2003-2009 | Nissan | 350Z | All |
| Universal | All | Turbocharged | with WG40 Wastegate |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia since 1997 with focus on quality and reliability
- Strict quality control and rigorous testing in dedicated research facility
- Innovative design backed by expert staff training and after-sales support
Frequently Asked Questions
- Q: Which wastegate models does this spring fit?
A: Direct fit for Turbosmart WG40 Gen V Plumb Back Race Port and all compatible external 40mm actuators - Q: What material is the spring made from?
A: Premium high-tensile spring steel resistant to fatigue corrosion and extreme boost heat - Q: What warranty applies?
A: Covered by Turbosmart standard warranty register product for full support and claims processing
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Protective sleeve 3 x 3 x 1 inches
- Weight: 0.05 lbs
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