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Cometic C5755-086 Buick Big Block MLS Cylinder Head Gasket Bore - V8 4.400

(Buick Regal 1973-74, LeSabre 1970-74, Century 1973-74, Skylark 1967-68, 1970-71, Riviera 1967-74, Electra 1967-74, Centurion 1971-73 + 6 more models)

Part of: Cometic GM Big Block MLS Cylinder Head Gasket Bore

Other options in this family: Cometic C5334-040 Cometic C5333-089 Cometic C5755-080 Cometic C5817-040 Cometic C5640-070

Manufacturer

Picture for manufacturer Cometic

Part Number

C5755-086
7 reviews
Sale Price

$154.90

Estimated ship date Thursday, November 26

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Product Details

The Cometic C5755-086 is a premium multi-layer steel (MLS) cylinder head gasket engineered specifically for Buick Big Block V8 engines. This high-performance gasket features a 4.400-inch bore diameter and .086-inch compressed thickness, providing exceptional sealing and durability for stock and modified applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior sealing and combustion pressure retention
  • 4.400-inch bore diameter designed for Buick Big Block V8 engines
  • .086-inch (2.18mm) compressed thickness for precise deck height control
  • Embossed stainless steel layers with elastomer coating provide excellent conformability to cylinder head and block surfaces
  • Handles extreme cylinder pressures in high-performance and forced induction applications
  • Resists corrosion and withstands high temperatures without degradation

Cometic's MLS gaskets are the preferred choice for engine builders and performance enthusiasts who demand reliability under extreme conditions. The advanced material technology ensures a consistent seal throughout the engine's thermal cycles, making this gasket ideal for street performance, racing, and boosted applications.

Products specifications

Fits

Buick Regal 1973-74, LeSabre 1970-74, Century 1973-74, Skylark 1967-68, 1970-71, Riviera 1967-74, Electra 1967-74, Centurion 1971-73, GS 455 1970-72, Wildcat 1967-70, Estate Wagon 1970-74, Gran Sport 1967, Sportwagon 1968-70, GS 400 1968-69

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Multi-layer Steel

Quick shipping, lowest prices.

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My Superchips Cortex arrived within a few days of order and by far was the best price arround. Product arrived in perfect condition and worked as described. Great deal. Order #10984

Thanks again! Best prices I found on the web! Fast shipping Would definitely buy from again!

In a rush to get my car up and running, Autoplicity had the best price on the items I needed, and in stock as well as shipped quickly. Just what I was looking for, thanks!

Great price. Minor problems with shipping because of UPS (dropped box and broke part, late delivery). Autoplicity sending me out replacement part.

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