1981 XJ - 550cc

they promise a supple and comfortable experience

excluding copper inserts

Traditional Sportster King style tank with a low tunnel

s s 132 big bore kit for harley milwaukee eight 15OM 1981 XJ - 550ccS&S 114" to 132" Big Bore Piston & Cylinder Kit for Harley Davidson Milwaukee Eight S&S has been building big bore kits for Harleys since the 1960s and has it down to an absolute science. Their latest efforts are aimed at the Milwaukee Eight platform (2017 and newer HD big twins) and open up a whole new level of performance for these bikes. This kit converts the 114" engine to 132" which is the largest possible 4. 320" bore bolt in big bore kit on the