Cometic C10257-MLX-040-014 MLX Cylinder Head Gasket for Harley-Davidson Milwaukee 8 128ci 4.320" Bore

The Cometic C10257-MLX-040-014 is a high-performance MLX (Multi-Layer-Xtreme) cylinder head gasket engineered specifically for 2017-2018 Harley-Davidson Milwaukee 8 engines with 128 cubic inch displacement and 4.320" bore diameter. This advanced gasket features Cometic's exclusive MLX technology with an integrated stopper fold-over layer that provides superior combustion sealing in demanding applications.

Key Features:

• MLX multi-layer stainless steel construction with stopper layer for enhanced sealing
• 0.040" compressed thickness for precise compression ratio tuning
• 0.014" base gasket thickness for proper cylinder deck height
• 4.320" bore size designed for 128ci Milwaukee 8 engines
• Essential for turbocharged, supercharged, high-compression, or nitrous applications
• Torque-limiting surface prevents yielding of combustion seals
• No special machining required for installation
• Requires no sealants or re-torquing after initial installation

Cometic MLX gaskets offer improved clamp load distribution around the cylinder while minimizing bore distortion, making them the preferred choice for high-performance Milwaukee 8 builds. The proprietary high-temperature coated stainless steel layers conform to sealing surfaces for exceptional leak prevention under extreme cylinder pressures. Sold as a pair for complete engine rebuild applications.