Cometic C15551-051 Ford Windsor MLS Cylinder Head Gasket Bore - 4.150

The Cometic C15551-051 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed for specialized Ford Windsor builds using Boss 302 heads on a 351 Cleveland block. This gasket provides a reliable, high-performance seal for hybrid engine combinations that demand exacting specifications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 0.051-inch compressed thickness for precise compression ratio tuning
• 4.150-inch bore diameter accommodates oversized pistons and stroker combinations
• Engineered for Ford Boss 302 (1969-1970) cylinder heads mounted on 351 Cleveland blocks
• Compatible with RHS (Racing Head Service) aftermarket cylinder heads
• Accommodates high-performance applications with elevated cylinder pressures

Cometic's MLS gaskets feature multiple layers of stainless steel with proprietary coatings that allow the gasket to flex and recover under extreme temperatures and pressures. This design ensures consistent sealing performance in demanding racing and performance street applications. The precise bore diameter and thickness make this gasket ideal for custom engine builders seeking to optimize compression ratios in hybrid Ford V8 builds.