Nitrile (beater-add, NV-512); 3-Year Full Warranty
Brand New gasket with guaranteed fit and function. All Materials and Manufacturing Sourced and MADE IN USA. 
Listing picture is of actual Nitrile Gasket material. The gasket material is treated chemically to seal against oils, water, alcohol, grease, air, gasoline and solvents.
If you need any assistance, feel free to ask.
Fits:

Honda Motorcycle Models with no year CT90K4 A Left Crankcase Cover / Alternator

Honda Motorcycle Models with no year CT90K6 A Left Crankcase Cover / Alternator

Honda Motorcycle Models with no year CT90K5 A Left Crankcase Cover / Alternator

Honda Motorcycle Models with no year CT90 A Left Crankcase Cover / Alternator

Honda Motorcycle 1978 CT90 A - TRAIL 90 Left Crankcase Cover / Alternator

Honda Motorcycle 1976 CT90 A - TRAIL 90 Left Crankcase Cover / Alternator

Honda Motorcycle Models with no year CT90K1 A Left Crankcase Cover / Alternator

Honda Motorcycle Models with no year CT90K2 A Left Crankcase Cover / Alternator

Honda Motorcycle Models with no year CT90K3 A Left Crankcase Cover / Alternator

Honda Motorcycle 1977 CT90 A - TRAIL 90 Left Crankcase Cover / Alternator

Honda Motorcycle 1979 CT90 A - TRAIL 90 Left Crankcase Cover / Alternator