If you’re considering a Big Bore Kit during the off season think about a Zippers Big Bore Kit. Since 1981 Zipper’s wrote the book on making reliable powerful from H-D engines. These guys have a whole line of upgrades, from a 107 to a 110″ offering.
If you’re considering a Big Bore Kit during the off season think about a Zippers Big Bore Kit. Since 1981 Zipper’s wrote the book on making reliable powerful from H-D engines. These guys have a whole line of upgrades, from a 107 to a 110″ offering.