Cometic C5413-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.145

The Cometic C5413-051 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This high-performance gasket features a .051" (1.3mm) compressed thickness and a 4.145" bore diameter, making it ideal for engines with oversized bores or performance builds requiring precise sealing.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under extreme cylinder pressures
• 4.145" bore diameter accommodates oversized cylinder bores common in performance applications
• .051" compressed thickness allows for precise compression ratio tuning
• Valve pocketed bore design ensures proper clearance around valve reliefs
• Designed for Vortec cylinder heads and compatible Gen-1 small block configurations
• MLS design eliminates the need for retorquing and provides exceptional combustion sealing

Cometic's MLS gaskets are constructed from multiple layers of stainless steel, with an embossed active sealing area that focuses clamping pressure around critical zones like combustion chambers, coolant passages, and oil return holes. This gasket is ideal for high-performance street engines, bracket racing applications, and performance rebuilds where reliability and precise sealing are paramount.