The Cometic Toyota 4AG-GE 16V 81mm Bore .056in MLS-5 Head Gasket - C4170-056 is a precision-engineered head gasket with a 81mm bore and .056" compressed thickness.
The Cometic 5-Layer Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring 5-Layer Multi-Layer Steel (MLS) construction, this gasket uses five embossed steel layers delivering exceptional clamping load distribution for high-output applications. 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: 5-Layer Multi-Layer Steel (MLS)
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Bore Size: 81mm
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Thickness: .056" compressed
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Part Number: C4170-056
Verified fitment: Toyota Corolla (1985–1988); Toyota MR2 (1985–1989).