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 depicts Nitrile Gasket material. This 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.
You receive the following gaskets as shown in photo:

Intake 16229-115-010
Base  12191-116-000
Dyamo 11432-086-000
Clutch cover 11393-115-020
Oil pump         15126-107-020
Oil rotor         15459-107-000
Center case 11191-115-020

Fits:

1973-1976 XR75