Cometic C5459-075 MLS Cylinder Head Gasket for Chrysler B/RB V8 4.250" Bore

The Cometic Gaskets C5459-075 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chrysler B and RB series V8 engines. This precision gasket features a 4.250-inch bore diameter and a compressed thickness of .075 inches (0.075"), making it ideal for performance builds and engine rebuilds requiring exact compression control.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme cylinder pressures
• 4.250-inch bore diameter accommodates standard and slightly overbored Chrysler B/RB blocks
• .075-inch compressed thickness allows for precise compression ratio tuning
• Engineered for Chrysler B-series (350, 361, 383, 400) and RB-series (383, 413, 426, 440) V8 engines
• Embossed stainless steel layers with viton rubber coating ensure optimal sealing
• Resists blowout and maintains seal integrity in high-performance and high-boost applications

Cometic MLS gaskets are the choice of professional engine builders and performance enthusiasts who demand reliability and precision. The multiple layers of stainless steel with elastomer coatings conform to imperfect sealing surfaces while providing exceptional resistance to heat and combustion pressure. This gasket is sold individually—order the quantity needed for your complete engine assembly.