Turbosmart Gen4 / IWG WG38/40/45/50L 7PSI MIDDLE SPRING – BROWN/PURPLE

Turbosmart Gen4 / IWG WG38/40/45/50L 7PSI MIDDLE SPRING – BROWN/PURPLE

The Turbosmart Gen4 / IWG WG38/40/45/50L 7PSI MIDDLE SPRING – BROWN/PURPLE is a high-quality replacement or upgrade wastegate spring engineered to precisely tune boost levels. Designed for exceptional performance and longevity, this middle spring allows enthusiasts to achieve a reliable base boost pressure of 7 PSI.

Key Features

• Provides a reliable 7 PSI base boost configuration
• Color-coded brown/purple for easy specification tracking
• Manufactured from premium materials for excellent thermal stability
• Delivers consistent spring rate under extreme high-heat conditions

Fitment

• Compatible with Turbosmart Gen4 external wastegates
• Fits Turbosmart IWG series wastegates (WG38, WG40, WG45, and WG50L models)

Note: Proper installation requires appropriate wastegate tools; please verify wastegate series compatibility and desired total spring rate calculations prior to assembly.