Features:

• Increases boost pressure from 18-20 PSI to 28-30 PSI

Application: 2001-2004 Duramax LB7 diesel engines

Product Description:

The boost increase valve was specifically designed for 2001 through 2004 Duramax LB7 diesel engines and increases boost pressure from 18-20 PSI to 28-30 PSI for additional horsepower.

Note: “Legal in California only for racing vehicles which may never be used upon a highway.”