I think you'll be hard-pressed to find/match the heat-molded tight pebbly grain OE vinyl with any sheet vinyl goods.
Most I've seen are long grain, That said you just have to find one you like.
I did my first '66 with soft black vinyl and loved the way it looked.
But that was a lifetime ago
__________________
When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.
