APEXi Engine Metal Head Gasket FA20 (ZC6 / ZN6), 89.5mm, T=0.7 (814-T401) 3503 Add Vehicle Dynamics Module for

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rubber sleeve and end caps

2011 Infiniti M56 5

no modification of factory trim piece required

gently following the valance's curves

APEXi Engine Metal Head Gasket FA20 (ZC6 / ZN6), 89.5mm, T=0.7 (814-T401) 3503 Add Vehicle Dynamics Module forThe A'PEXi metal head gaskets provide upgraded protection on high horsepower engines. Factory head gaskets cannot withstand the pressures of high output operation and often cause the engine to "blow." This condition is actually caused by a failure in the factory head gasket. A'PEXi recommends replacing the factory head gasket with a metal one before gasket failure causes more damage to the engine. The gaskets are all designed engine specific and