Cometic Chrysler 318/340/360 4.125in Bore .075in MLS-5 Head Gasket - C5457-075

The Cometic Chrysler 318/340/360 4.125in Bore .075in MLS-5 Head Gasket - C5457-075 is a precision-engineered head gasket with a 4.125" bore and .125" 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.

• Material: 5-Layer Multi-Layer Steel (MLS)
• Bore Size: 4.125"
• Thickness: .125" compressed
• Part Number: C5457-075

Verified fitment: Chrysler Cordoba (1975–1983); Chrysler Fifth Avenue (1983–1989); Chrysler Imperial (1981–1983); Chrysler LeBaron (1977–1981); Chrysler New Yorker (1977–1982); Chrysler Newport (1971–1981); Chrysler Town & Country (1978–1981); Dodge 330 (1964); and 58 more.