Cometic GM LS1/LS6 Gen-3 Small Block V8 .040in MLS Street Pro Cylinder Head Gasket 3.910in Bore - PRO1007T-3910-040

The Cometic GM LS1/LS6 Gen-3 Small Block V8 .040in MLS Street Pro Cylinder Head Gasket 3.910in Bore - PRO1007T-3910-040 is a precision-engineered gasket kit with a 3.910" bore and .040" 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: 3.910"
• Thickness: .040" compressed
• Part Number: PRO1007T-3910-040

Verified fitment: Chevrolet Camaro (1998–2002); Chevrolet Corvette (1997–2004); Pontiac Firebird (1998–2002); Pontiac GTO (2004).