Cometic GM LML/LGH Duramax 4.130in Bore .047in MLX Cylinder Head Gasket Top End Gasket Kit - PRO3012T

The Cometic GM LML/LGH Duramax 4.130in Bore .047in MLX Cylinder Head Gasket Top End Gasket Kit - PRO3012T is a precision-engineered gasket kit with a 4.130" bore and .130" compressed thickness.

This Cometic complete gasket kit delivers a comprehensive, precision-matched set of seals and gaskets engineered to OE or better specifications. Each component is manufactured from materials specifically chosen for their temperature range, chemical resistance, and compressibility — ensuring every sealing surface in your engine is properly protected during rebuild or performance upgrades.

• Material: MLX Multi-Layer Steel (MLS)
• Bore Size: 4.130"
• Thickness: .130" compressed
• Part Number: PRO3012T

Verified fitment: Chevrolet Express 2500 (2011–2016); Chevrolet Express 3500 (2011–2016); Chevrolet Silverado 2500 (2011–2016); Chevrolet Silverado 3500 (2011–2016); GMC Savana 2500 (2011–2016); GMC Savana 3500 (2011–2016); GMC Sierra 2500 (2011–2016); GMC Sierra 3500 (2011–2016).