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Cometic C5933-040 GM LSX Small Block MLS Cylinder Head Gasket Bore - Gen-4 V8 4.125

Manufacturer

Picture for manufacturer Cometic

Part Number

C5933-040
5 reviews
Sale Price

$97.39

Estimated ship date Friday, November 27

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Product Details

The Cometic C5933-040 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM LSX Gen-4 small block V8 engines. Built for high-performance and racing applications, this gasket features a 4.125-inch bore diameter and .040-inch compressed thickness to provide reliable sealing under extreme combustion pressures and temperatures.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior durability and sealing performance
  • 4.125-inch bore diameter optimized for LSX Gen-4 engine specifications
  • 0.040-inch compressed gasket thickness allows for precise compression ratio tuning
  • Designed for RHS (Racing Head Service) cylinder heads and similar applications
  • Withstands extreme cylinder pressures in boosted and naturally aspirated engines
  • Embossed stainless steel layers with elastomeric coating for maximum sealing

Cometic MLS head gaskets are a proven choice for engine builders and performance enthusiasts who demand reliability in demanding applications. The multi-layer design accommodates thermal expansion and engine movement while maintaining consistent sealing, making this gasket ideal for street performance, racing, and forced induction builds.

Products specifications

Prop 65

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

Material

Multi-layer Steel

Best price fast shipping. will deffinitly order again

I hop eit doesn't take too long to arrive =)

Great prices hence why after a search on my desired part why I showed up at their store. Had great communication with their staff throughout the entire process.

Excellent product and fast service!! Great seller with great products!! Fast shipping, no hassles!! AAA+++

Everything went seamlessly. I placed my order on a Thursday and it got here Tuesday morning. No problems, and it was the best price I could find.

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