Description
The Turbosmart IWG75 Series Universal Internal Wastegate Actuator is engineered to optimize boost response for your factory frame turbocharger, specifically compatible with Borg Warner EFR B1 single scroll models. Crafted from high-grade billet aluminum, this actuator offers durability and precision performance.
Its innovative design features a proprietary Silicon Nomex diaphragm, stainless steel rods and clevis, and Turbosmart’s unique locking collar system, ensuring reliable operation under high boost conditions. The actuator provides an increased ‘Working Ratio’ compared to stock components, resulting in faster boost response and better control across the entire RPM range.
Available with a 14 PSI spring, it allows for tailored boost levels suitable for a variety of performance applications. Optional springs ranging from 3 PSI to 26 PSI enable further customization to meet specific tuning requirements. This upgrade enhances turbo response and sensitivity, giving you more precise boost management.
Designed for ease of installation and long-term durability, the Turbosmart IWG75 actuator is an excellent choice for enthusiasts seeking improved turbo performance in their high-performance vehicles. Suitable for use in automotive applications where reliable boost control is essential, it ensures your turbo system responds swiftly and accurately under demanding conditions.
Features:
- High-grade billet aluminum construction for durability
- Proprietary Silicon Nomex diaphragm for reliable boost control
- Stainless steel rods and clevis for longevity
- Unique locking collar system for secure fit
- Choice of springs from 3 PSI to 26 PSI for customizable boost levels
- Optimized ‘Working Ratio’ for enhanced boost response
- Designed for Borg Warner EFR B1 single scroll turbochargers
- Easy installation and long-term performance reliability

















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