The Cometic Subaru EZ30D mk II .051in MLS Cylinder Head Gasket - 90mm Bore - RHS - C4624-051 is a precision-engineered head gasket with a 90mm bore and .051" compressed thickness for the Right-Hand Side (RHS).
The Cometic Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers that conform to surface irregularities and maintain a positive seal. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
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Material: Multi-Layer Steel (MLS)
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Bore Size: 90mm
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Thickness: .051" compressed
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Position: Right-Hand Side (RHS)
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Part Number: C4624-051
Verified fitment: Subaru B9 Tribeca (2006–2007); Subaru Legacy (2008–2009); Subaru Outback (2003–2009).