80" 3 1/2" Bore Cylinder and Piston Kit for 1984-'99 HD® Big Twins With Super Stock® Cylinder Heads - Natural Aluminum Finish

This 3-1/2" bore cylinder and piston kit can be used when installing S&S^® Super Stock^® cylinder heads on an 80" HD^® Evolution^® engine. The kit contains S&S 3-1/2" bore cylinders, S&S 3-1/2" bore 4-1/4" stroke Super Stock domed pistons. Compression ratio 10:1.