Cometic Harley-Davidson 4in EVO S&S Base Gasket Pair Big Bore .010in Rcm - C9871

The Cometic Harley-Davidson 4in EVO S&S Base Gasket Pair Big Bore .010in Rcm - C9871 is a precision-engineered gasket kit with a .010 bore and .010" 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.

• Bore Size: .010
• Thickness: .010" compressed
• Part Number: C9871