Cast Piston(Ironhead Sportster, 1000cc, 3 3/16, 9.5 to 1 Compres
Adding product to your cart
Cast piston kit for Ironhead Sportster 1000cc, 3 3/16 inch, standard compression, 9.5 to 1. Standard bore. It is not recommended to bore Sportster 1972-early 1973 models more than .030 inch OS. Sold each.