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Cometic Street Pro 01-04 GM 6.6L Duramax 4.100in Bore Top End Gasket Kit - PRO3008T

SKU: SKU: CGSPRO3008T

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The Cometic Street Pro 01-04 GM 6.6L Duramax 4.100in Bore Top End Gasket Kit - PRO3008T is a precision-engineered gasket kit with a 4.100" bore and .100" compressed thickness.

This Cometic complete gasket kit delivers a comprehensive, precision-matched set of seals and gaskets engineered to OE or better specifications. Each component is manufactured from materials specifically chosen for their temperature range, chemical resistance, and compressibility — ensuring every sealing surface in your engine is properly protected during rebuild or performance upgrades.

  • Material: Multi-Layer Steel (MLS)
  • Bore Size: 4.100"
  • Thickness: .100" compressed
  • Part Number: PRO3008T

Verified fitment: Chevrolet Silverado 2500 (2001–2004); Chevrolet Silverado 3500 (2001–2004); GMC Sierra 2500 (2001–2004); GMC Sierra 3500 (2001–2004).

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