Cometic C15278-054 GM MLX Cylinder Head Gasket Bore - LV1/LV3 EcoTec3 4.000 054

The Cometic C15278-054 is a premium Multi-Layer Steel (MLX) cylinder head gasket engineered specifically for GM LV1 and LV3 Generation III EcoTec3 engines. This left-hand side gasket features a 4.000-inch bore diameter and a compressed thickness of .054 inches, providing superior sealing performance for high-performance and OEM replacement applications.

Key Features:

• Multi-Layer Steel (MLX) construction for superior durability and heat resistance
• Precision-engineered for GM LV1/LV3 Gen-3 EcoTec3 engines
• 4.000-inch bore diameter for proper cylinder sealing
• .054-inch compressed gasket thickness
• Left-hand side (LHS) application
• Exceeds OEM specifications for performance builds
• Advanced sealing technology prevents combustion leaks and fluid migration

Cometic MLX gaskets utilize multiple layers of stainless steel with proprietary coatings to provide maximum sealing under extreme temperatures and pressures. The embossed design allows the gasket to conform to slight surface irregularities while maintaining consistent clamping pressure across the entire sealing surface. Ideal for street performance, racing, and reliable OEM replacement applications.