This HKS grommet-type head gasket is specified for Subaru FA24 engines with a 0.8mm thickness and an 11.8:1 compression ratio. The listing identifies the gasket style and thickness so installers can match it to engine rebuild needs where the specified CR and thickness are required. It’s presented as a direct component for FA24 applications needing the stated gasket profile.
HKS Subaru FA24 0.8mm Thickness 11.8 CR Grommet Type Head Gasket