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Cometic C5769-086 MLS Cylinder Head Gasket Pontiac Bore - 400/428/455 V8 4.200

(Pontiac GTO 1968-73, Firebird 1968-79, Grand Prix 1968-77, Grand Am 1973-75, Bonneville 1968-78, LeMans 1968-77, Catalina 1968-78 + 12 more models)

Manufacturer

Picture for manufacturer Cometic

Part Number

C5769-086
6 reviews
Sale Price

$157.91

Estimated ship date Tuesday, November 24

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Product Details

The Cometic C5769-086 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Pontiac 400, 428, and 455 cubic inch V8 engines. This high-performance gasket features a compressed thickness of .086 inches and a 4.200-inch bore diameter, making it ideal for both stock rebuilds and high-performance applications.

Key Features:

  • Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme cylinder pressures
  • 0.086-inch compressed thickness allows for precise compression ratio tuning
  • 4.200-inch bore diameter optimized for Pontiac V8 cylinder dimensions
  • Embossed stainless steel layers with elastomeric coating ensure excellent conformability to deck surfaces
  • Withstands high combustion temperatures and pressures in performance applications
  • Compatible with aluminum and iron cylinder heads and engine blocks

Cometic MLS gaskets are the choice of professional engine builders and performance enthusiasts who demand reliable sealing in street, strip, and racing applications. The advanced multi-layer design accommodates thermal expansion and contraction while maintaining consistent clamping pressure across the entire sealing surface.

Products specifications

Fits

Pontiac GTO 1968-73, Firebird 1968-79, Grand Prix 1968-77, Grand Am 1973-75, Bonneville 1968-78, LeMans 1968-77, Catalina 1968-78, Tempest 1968-70, Parisienne 1968-74, 1976, Grandville 1971-75, Executive 1968-70, Grand LeMans 1975-77 + 7 more models

Prop 65

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

Material

Multi-layer Steel

Easy to use payment system, lets see if we get our order quickly.

Quick and easy process with great prices.

very good service, price, delivered quickly, and reasonable shipping cost. Very satisfied. Will be a repeat customer and refer others as well.

Fast and easy, thank you.

Delivered a day early.

it s a good site

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