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Cometic C5985-075 MLX Cylinder Head Gasket Bore Thick GM - 4.100 075 LS9/LSA Right Side

Manufacturer

Part Number

C5985-075
Sale Price

$133.07

Estimated ship date Wednesday, November 25

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C5985-075 is a premium MLX (Multi-Layer Stopper) cylinder head gasket engineered for GM LS9/LSA 6.2L V8 engines. This right-side gasket features a 4.100-inch bore diameter with a .075-inch compressed thickness, making it ideal for high-performance applications requiring precise combustion sealing and custom compression ratio tuning.

Advanced MLX Technology:

  • Integrated stopper layer provides superior combustion chamber sealing
  • Improved clamp load around cylinders without increasing bore distortion
  • Multi-layer stainless steel construction for maximum strength and durability
  • Outer layers feature Viton rubber coating for exceptional sealing performance
  • Five-layer embossed design engineered for high-boost and high-compression applications

Key Specifications:

  • Bore Size: 4.100 inches (round)
  • Compressed Thickness: .075 inches
  • Material: MLX Multi-Layer Stainless Steel
  • Orientation: Right side (passenger side)
  • Layers: 5-layer construction

Performance Benefits:

  • No sealants or re-torquing required
  • Withstands extreme temperatures and cylinder pressures
  • Accommodates thermal expansion between aluminum heads and iron blocks
  • Resists corrosion and maintains excellent rebound characteristics
  • Precision-manufactured for consistent sealing across the entire surface

Cometic gaskets are trusted by championship-winning racing teams and performance enthusiasts worldwide. This gasket is manufactured to order with race-proven materials and advanced engineering to deliver reliable sealing under the most demanding conditions. Designed specifically for GM LS9 supercharged and LSA engines found in Corvette ZR1, Cadillac CTS-V, and Camaro ZL1 applications.

All good.

shipping price on the higher side

No Comment, all went well with order

Service was great. However, I first needed to change an order & found I had to cancel it and reorder correctly. I did this. However, the second order was also cancelled by the warehouse because they thought it was a duplicate. I reordered again! The battery was shipped this Monday & arrived Tuesday! So... other than the "safe" second cancellation, everything is 100% good! Battery arrived and I did a quick voltage test. 12.78 V ...

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