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Cometic C5711-080 MLS Cylinder Head Gasket Pontiac Bore - 400/428/455 V8 4.160

(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

C5711-080
12 reviews
Sale Price

$157.91

Estimated ship date Wednesday, November 25

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Product Details

The Cometic C5711-080 is a premium Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Pontiac 400, 428, and 455 cubic inch V8 engines. This high-performance gasket features a compressed thickness of .080 inches and accommodates a 4.160-inch bore diameter, making it ideal for both stock rebuilds and performance applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior sealing and durability
  • .080-inch compressed gasket thickness
  • 4.160-inch bore diameter optimized for Pontiac V8 engines
  • Accommodates cylinder pressures in high-performance and forced induction applications
  • Resists combustion leakage, coolant seepage, and oil contamination
  • Conforms to minor surface imperfections for reliable sealing
  • Compatible with Pontiac 400, 428, and 455 V8 engine blocks and heads

Cometic MLS gaskets utilize multiple layers of stainless steel with elastomeric coatings to provide exceptional sealing under extreme conditions. The flexible design allows the gasket to adapt to thermal expansion and contraction, ensuring a consistent seal throughout the engine's operating range. This gasket is engineered for enthusiasts seeking reliable performance in street, strip, and marine applications.

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

quick and simple

Everything arrived well packaged and in good order... It was shipped promptly, but hey, no accounting for the snow storm in the NW... I think UPS calls it an "act of God"... Thanks

Thank you!

Very pleasant order over the phone. Gentleman was smart, cheerful and helpful.

Product as described and sent in a very quick fashion!

Item arrived quickly and as described. Thanks

I had a problem with one of the products i purchased and Autoplicity went above and beyond what most companies would do in such a case. I would definitely purchase from them again.

Great Pricing (lowest i can find anywhere) and Quick Shipping, Product has no damage from shipping! Thank you Autoplicity!

Pretty darn easy

Easy website, fast service. Shipping cost seems high. thank you

Awesome! Fast, easy, user friendly, and great prices you can't beat

Camaro Lug Nuts, They exactly what I wanted and they will fit like a glove, this I know because there are 5 of them on my car, so I ordered the same ones. very reasonable price. fast ship. All good, Thanks.

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