Mr. Gasket Ultra-Seal Head Gasket; 4.190-Inch (72-74 6.6L Firebird)Find parts that fit my vehicle

Name: Mr. Gasket Ultra-Seal Head Gasket; 4.190-Inch (72-74 6.6L Firebird)
Brand: Mr. Gasket
SKU: EK-75-901874
Price: 79.05 USD
Availability: InStock

Item EK-75-901874

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Product Information

Features, Description, Q&A

Features

Five-Layer Composite Construction Featuring a Graphite Core and Perforated Steel Outer Layers
Graphite Core Provides Excellent Heat Transfer to Prevent Gasket Burn-Out
Delivers Superior Stability, Compressibility, and High Temperature Durability
Coated with High-Temperature Silicone for Effective Sealing of Engine Fluids
Does Not Brinell (Indent) Aluminum Cylinder Heads
Designed for High-Performance Street, Drag Race, and Oval Track Use
Gasket Bore: 4.190 Inch; Compressed Thickness: 0.038 Inch
Compatible with 72-74 6.6L Firebird Models
Fits 72-74 6.6L Firebird

Description

High-Performance Head Gasket. The Mr. Gasket Ultra-Seal Head Gasket with a 4.190-inch bore is engineered specifically for high-performance Chevrolet Small Block Gen I engines. It provides a dependable seal between the cylinder head and engine block, preventing leaks and maintaining compression essential to engine efficiency and power output. This gasket is ideal for demanding applications such as street performance, drag racing, and oval track competition.

Construction and Appearance. This gasket features a robust five-layer composite design with a graphite core encased by perforated steel outer layers. The graphite core enhances heat dissipation to protect against gasket burn-out, while the steel layers add strength and reliable sealing. Additionally, a high-temperature silicone coating ensures excellent sealing of engine fluids and prevents leaks. The gasket is compatible with both cast iron and aluminum cylinder heads without causing brinelling or indentation.

Installation. Installation is straightforward with no requirement for additional machining or drilling. The gasket fits precisely to engine specifications, ensuring an optimal seal and dependable performance.

Warranty. This product carries a manufacturer’s limited 90-day warranty, providing assurance of its durability and performance.

Application. Suitable for use on 72-74 6.6L Firebird engines.

Mr. Gasket 5801G

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