The Cometic Harley-Davidson Twin Cam Base Gasket 4.250in Bore, .010in S Pair 4.430inId - C9111-010 is a precision-engineered gasket kit with a 4.250" bore and .250" 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.
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Bore Size: 4.250"
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Thickness: .250" compressed
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Part Number: C9111-010