What specific vehicles does this gasket kit fit?

This kit is designed for GM Big Block Oldsmobile 455ci engines with a 4.200 inch bore, found in many Buick, Oldsmobile, and GMC models between 1968 and 1976. Examples include the Oldsmobile 442, Delta 88, and Buick Electra.

What makes the MLS head gaskets stand out?

Multi-Layer Steel (MLS) head gaskets are known for their durability and ability to create a strong seal under high pressure and temperature conditions. They are a popular choice for performance engine builds.

Does this kit include all the gaskets needed for a top-end rebuild?

Yes, the Cometic Street Pro kit is intended to include all necessary gaskets and seals for the top end of your engine, simplifying the rebuild process.

Specifications

Brand: Cometic Gasket
Part #: PRO1009T
UPC: 191070009670

Cometic Street Pro GM 1968-76 455ci OLDS Big Block 4.200 Top End Gasket Kit

Name: Cometic Street Pro GM 1968-76 455ci OLDS Big Block 4.200 Top End Gasket Kit
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-street-pro-gm-1968-76-455ci-olds-big-block-4-200-top-end--t14-12770
Price: 240.70 USD
Availability: BackOrder

$240.70

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Cometic Street Pro GM 1968-76 455ci OLDS Big Block 4.200 Top End Gasket Kit. Includes MLS head gaskets for a reliable rebuild.

Key Features

Fits 1968-1976 GM Big Block Oldsmobile 455ci engines with a 4.200 inch bore.
Includes .040 inch Multi-Layer Steel (MLS) cylinder head gaskets for a strong seal.
Utilizes a variety of quality gasket materials including AFM, Aramid Fiber, and Armor Clad.
Designed for budget-minded street rod builders needing a complete top end gasket set.
Covers a wide range of Buick, Oldsmobile, and GMC vehicles from the specified years.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Starting with the .040 inch Multi-Layer Steel (MLS) cylinder head gaskets, this Cometic Street Pro top end kit is built for your GM Big Block engine. This kit is designed for Oldsmobile 455 cubic inch engines with a 4.200 inch bore, covering a range of vehicles from 1968 through 1976. It's a solid option for anyone rebuilding their engine, whether it's a street rod project or just bringing an old classic back to life.

Cometic uses a variety of quality gasket materials in their Street Pro kits, including MLS, AFM, Aramid Fiber, and Armor Clad. This means you're getting a well-built set of gaskets and seals that are appropriate for street performance. The MLS head gaskets, in particular, are known for their ability to handle the pressures and temperatures of a performance V8, offering a reliable seal for your rebuild.

This kit includes all the necessary gaskets and seals for the top end of your engine. It's a comprehensive package aimed at making your engine rebuild smoother. You'll find it fits a wide range of GM vehicles from the late 60s and 70s, including popular models like the Oldsmobile 442, Delta 88, and Buick Electra.