Cometic CFM Fibre head gasket for the wiseco big bore kit on a gsx1100 and the matching Cometic base Gasket...see our other listings for more gsx1100 tuning parts. wiseco piston rings/big bore head gaskets/valve guides/valve springs/heavy duty cylinder studs/heavy duty crankcase studs/wiseco piston kits/heavy duty camchains/performance camshafts/clutch rebuild kits/heavy duty clutch plates/heavy duty clutch springs/gas flowed cylinder heads/oversize stainless valves/mikuni and keihin race carbs/reboring service/standard engine spares and service items/vance and hines exhuasts/cometic case gaskets/straight cut primary gears/hi volume oil pump gears/manual camchain tensioners/dyna performance ignition systems and coils./taylor performance ignition leads and caps