Cometic GM L83/L8B/L82/L84 GEN-V 3.875in Bore .058 MLX Head Gasket - C15426-058

The Cometic GM L83/L8B/L82/L84 GEN-V 3.875in Bore .058 MLX Head Gasket - C15426-058 is a precision-engineered head gasket with a 3.875" bore and .875" 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: 3.875"
• Thickness: .875" compressed
• Part Number: C15426-058

Verified fitment: Chevrolet Silverado 1500 (2014–2018); Chevrolet Suburban (2015–2019); Chevrolet Tahoe (2015–2019); GMC Sierra 1500 (2014–2018); GMC Yukon (2015–2019).