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Cometic C5712-092 Pontiac MLS Head Gasket Bore - 400/428/455 V8 4.300

(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)

Part of: Cometic MLS Head Gasket Bore Honda

Other options in this family: Cometic C10336-036 Cometic H4230050S Cometic C9931 Cometic C10084040 Cometic C10083-030

Manufacturer

Picture for manufacturer Cometic

Part Number

C5712-092
9 reviews
Sale Price

$157.91

Estimated ship date Monday, November 23

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Product Details

The Cometic C5712-092 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Pontiac 400, 428, and 455 cubic inch V8 engines. This gasket features a 4.300-inch bore diameter and a compressed thickness of .092 inches (2.34mm), making it ideal for high-performance and racing applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior sealing and durability
  • 4.300-inch bore diameter accommodates stock and performance applications
  • .092-inch compressed gasket thickness for precise compression ratio tuning
  • Designed specifically for Pontiac 400, 428, and 455 V8 engines
  • Exceeds OEM specifications for strength and reliability
  • Ideal for street performance, racing, and boosted applications

Cometic's MLS gaskets feature multiple layers of stainless steel with advanced coating technology that provides excellent recovery and sealing properties under extreme cylinder pressures and temperatures. The embossed stainless steel layers create a micro-seal around coolant and combustion chambers, while maintaining the gasket's structural integrity during thermal cycling.

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

A

Website is excellent

Super easy.

Excellent experience so far. Hopefully all goes well with shipping and arrival time.

Easy to order, price seems real fair

reviews gave 5 stars for fast 2 day shipping. My order took five days which is normal but not fast. No real complaints

so far so good

None of the filters I needed in my area found em here for a great deal... ordered 4!

Great service

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