Cometic GM 2017+ LP5 Duramax .060in MLX Cylinder Head Gasket - 4.161in Bore - C15177-060

The Cometic GM 2017+ LP5 Duramax .060in MLX Cylinder Head Gasket - 4.161in Bore - C15177-060 is a precision-engineered head gasket with a 4.161" bore and .060" 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: 4.161"
• Thickness: .060" compressed
• Part Number: C15177-060

Verified fitment: Chevrolet Silverado 2500 (2017–2020); Chevrolet Silverado 3500 (2017–2020); GMC Sierra 2500 (2017–2020); GMC Sierra 3500 (2017–2020).