Cometic 2019+ Cummins 6.7L ISB 4.327in Bore .054in MLX Head Gasket - C15266-054

The Cometic 2019+ Cummins 6.7L ISB 4.327in Bore .054in MLX Head Gasket - C15266-054 is a precision-engineered head gasket with a 4.327" bore and .327" compressed thickness.

The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. 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: MLX Multi-Layer Steel (MLS)
• Bore Size: 4.327"
• Thickness: .327" compressed
• Part Number: C15266-054

Verified fitment: Ram 2500 (2019–2021); Ram 3500 (2019–2021).