2004.5-2010 Duramax Fuel Pressure Relief Valve Shim Kit (10269)

The Release Valve Shim Kit increases the pressure needed to "pop off" the pressure relief valve; this means that the available fuel rail pressure is kept high during full-throttle driving and reduces fuel flow through the return system.

Part Number: 10269

• High-Quality Material
• Direct Fit
• OE Style Function

Parts Only

• 1-Year Warranty

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