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Cometic C5691-070 Buick Stage I/II MLS Cylinder Head Gasket Bore - V6 3.860

Manufacturer

Picture for manufacturer Cometic

Part Number

C5691-070
4 reviews
Sale Price

$129.83

Estimated ship date Wednesday, November 25

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Product Details

The Cometic C5691-070 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Buick Stage I and Stage II V6 engines. This precision-engineered gasket features a 3.860-inch bore diameter and .070-inch compressed thickness, providing excellent sealing performance for modified and performance applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior strength and durability
  • 3.860-inch bore diameter optimized for Buick Stage I and Stage II V6 engines
  • .070-inch (1.78mm) compressed gasket thickness
  • Engineered to handle higher cylinder pressures in performance builds
  • Provides exceptional conformability to sealing surfaces
  • Resistant to blow-out and compatible with aluminum and iron cylinder heads

Cometic's MLS gaskets utilize multiple layers of stainless steel with proprietary coatings to create a superior seal that maintains consistency even under extreme temperatures and pressures. This gasket is ideal for street performance, racing, and boosted applications where reliable sealing is critical to engine longevity and performance.

Products specifications

Prop 65

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

Material

Multi-layer Steel

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