s s 129 big bore kit for harley milwaukee eight 15OM 79-80 Z - 1000cc

79-80 Z - 1000cc

Comes with H7 insert and wiring for use in a twin setup

Grip on all road conditions with improved compound

OEM replacement for HD 59031-83 and 58998-83B

This not only removes rust

s s 129 big bore kit for harley milwaukee eight 15OM 79-80 Z - 1000ccS&S 107" to 129" 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 107" engine to a tire melting 129" which is the largest possible 4. 320" bore bolt in big