The Sportsman block has water between the cylinder bores and is therefore capable of a 4.500” bore diameter. It is dressed with nodular cast iron 4-bolt main caps #1 thru #5, a standard valley tray, hardened fasteners, and a cam tunnel machined to 2.25”.
Click on the image at the right, to view or download an Adobe Acrobat copy of the Sportsman Engine Block brochure.
