Head & base gaskets 4″ BigBore TC99-17 For Harley-Davidson
Jims head and base gasket sets contain two .040″ thick head gaskets and two .020″ thick real base gaskets, not O-rings as standard. Fit all 1999-2017 Twin Cam models with Jims 4″ Big Bore cylinders.
Replaces OEM:
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