Product Overview BUICK GRAND NATIONAL BLACK TEE SHIRTGM LICENSED PRODUCT! This is a top quality tee shirt embroidered with the Grand National intercooled tee shirt. 6.1 oz. in weight preshrunk 100% cotton Reviews (1 review) Write a Review 1 Review Hide Reviews Show Reviews 5 great quality, looks awesone! Posted by Michael Lyle on 22nd Feb 2018 Great shirt, great price!