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Release Valve Shim Kit

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Have Questions? 714-985-4825

50 State Legal California Air Resources Board Executive Order No. D-701-32

The Release Valve Shim Kit increases the pressure needed to “pop off” the pressure relief valve (PRV). This means that the available fuel rail pressure remains high, as requested by the engine computer during full-throttle driving. Reduces the fuel flow through the fuel return system due to an age-weakened spring.

It eliminates potential low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) that are caused by insufficient pressure relief valve spring pressure opening, returning fuel to the fuel tank.

Applications: 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM
                       2008-2010 Cummins 6.7L

More Information
UPC 840171204735
Weight (lbs) 0.1500
Full Dimensions (LxWxH) 3" x 0.75" x 6"
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