HKS Grommet Type Head Gasket FA24 t=1.2 PDM_water-and-meth-injection-components so if you are looking

so if you are looking for something more conservative then this may not be the first choice

Polyurethane keeps it consistent

Includes new bushings and brackets

and your spark plugs look good then your O2 sensor can be going out as well

HKS Grommet Type Head Gasket FA24 t=1.2 PDM_water-and-meth-injection-components so if you are lookingHKS Grommet Type Head Gasket FA24 t=1. 2 Performance Head Gasket for High Boost Applications HKS performance head gaskets use grommet type or stopper bead type sealing designs that provide superior cylinder sealing under high pressure vs the OEM multi layer steel gasket. The grommet design creates an independent sealing ring around each combustion chamber bore that embeds into the deck surface under torque, maintaining a positive seal through thermal