Zipper Muscle 103" Engine Kit for Harley-Davidson Available
So if you have been sighing for the new Project Rushmore engines Harley showed this year, you can match the brawn of the new line-up with the new Zipper kit.
The Muscle 103" is easy to install and is offered as a complete package,together with high-flow CNC heads and chambers, forged pistons, Red Shift high-performance cams, chain tensioners, Pro-Taped adjustable pushrods, a full gasket set, a MAXFlow breather assembly and the ThunderMAX ignition with AutoTune and a pre-installed map for a true "plug and play" experience.
And what's even cooler is the fact that Zipper offers both throttle-by-wire and cable-throttle version for touring models and other big twins, respectively. The kits come in either black or silver, $3,339 (€2,469) a pop.
❐ Check out the Zipper Muscle 103" Kit photo gallery