Turbosmart IWG75 Wastegate Actuator - 5PSI - Polaris RZR Turbo (Black) (SKU: TS-0631-1051)

The Turbosmart IWG75 Series Wastegate Actuator is an upgraded internal wastegate solution engineered to deliver maximum boost response and control for your factory turbo system. Designed specifically for the Polaris RZR Turbo, this 5PSI black actuator improves boost stability and helps achieve peak boost earlier in the RPM range—broadening the torque curve and maintaining power into higher revs.

Using an enhanced working ratio via a larger diaphragm surface and revised spring calibration, the IWG75 offers more precise control over boost and backpressure forces, all while maintaining responsiveness.

Key Features:

• Improved Boost Response – Achieve peak boost sooner and maintain it longer

• Upgraded Working Ratio – Enlarged diaphragm and optimized spring leverage

• Factory-Compatible 5PSI Base Pressure – Pre-fitted spring matches OEM spec for plug-and-play use

• Billet Aluminum Construction – High-grade CNC-machined body for durability and heat resistance

• Proprietary Silicon Nomex Diaphragm – Designed for high temperature and pressure environments

• Stainless Steel Rod & Clevis – Corrosion-resistant and strong under heavy loads

• Locking Collar System – Unique to Turbosmart for easy spring changes and tuning flexibility

• Vehicle-Specific Bracket Included – Ensures a direct fit on Polaris RZR Turbo models

Vehicle Fitment:

• Polaris RZR Turbo – Suits factory turbocharger

What’s Included:

• Turbosmart IWG75 Wastegate Actuator – 5PSI (Black)

• Pre-Fitted Springs (5PSI base pressure)

• Vehicle-Specific Mounting Bracket

• Swivel Hose Barb

• Required Fasteners

• Turbosmart Decal