Cometic Mazda Miata 1.6L 80mm .040 inch MLS Head Gasket B6D Motor - C4122-040

The Cometic Mazda Miata 1.6L 80mm .040 inch MLS Head Gasket B6D Motor - C4122-040 is a precision-engineered head gasket with a 80mm bore and .040" compressed thickness.

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.

• Material: Multi-Layer Steel (MLS)
• Bore Size: 80mm
• Thickness: .040" compressed
• Part Number: C4122-040

Verified fitment: Mazda 323 (1988–1993); Mazda MX 3 (1992–1993); Mazda Miata (1990–1993); Mercury Capri (1991–1994).