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Cometic C5766-045 GM Vortec MLS Cylinder Head Gasket Bore - 8100 4.450

(Chevrolet Silverado 2500 HD 2001-07, Silverado 3500 HD 2007, Express 3500 2001-02, Silverado 2500 2001-05, Silverado 3500 2001-06 + 13 more models)

Part of: Cometic MLS Cylinder Head Gasket Bore Honda

Other options in this family: Cometic C4311-040 Cometic C4251-030 Cometic C4232-030 Cometic C4962-028 Cometic C5434-051

Manufacturer

Picture for manufacturer Cometic

Part Number

C5766-045
7 reviews
Sale Price

$114.59

Estimated ship date Tuesday, November 24

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Product Details

The Cometic C5766-045 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM L18 Vortec 8100 Gen-VII Big Block V8 engines. This left-hand side gasket features a 4.450-inch bore diameter and .040-inch compressed thickness, providing exceptional sealing performance for high-performance and heavy-duty applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior strength and durability
  • 4.450-inch bore diameter optimized for Vortec 8100 cylinder heads
  • .040-inch (0.040") compressed thickness for precise compression ratio tuning
  • Left-hand side (LHS) gasket for GM Gen-VII Big Block V8
  • Advanced sealing technology handles extreme cylinder pressures
  • Stopper layer embossments control gasket movement and combustion seal
  • Compatible with stock and performance engine builds

Cometic MLS gaskets feature multiple layers of stainless steel with advanced coating technology that ensures proper sealing under demanding conditions. The embossed active sealing area provides excellent conformability to surface imperfections while maintaining long-term reliability. Ideal for street performance, towing, RV applications, and marine use with Vortec 8100 engines.

Products specifications

Fits

Chevrolet Silverado 2500 HD 2001-07, Silverado 3500 HD 2007, Express 3500 2001-02, Silverado 2500 2001-05, Silverado 3500 2001-06, Suburban 2500 2001-06, Silverado 2500 HD Classic 2007, G30 2001-02, Avalanche 2500 2002-06 + 9 more models

Prop 65

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

Very prompt service !!!

Good price. Quick delivery

Ok

Great price. If shipping is expedited quickly.

5 more stars if I get it in 2 days

Excellent

So far , so good.

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