Harley-Davidson Sportster Chain Conversion Kit from Zipper
14 Nov 2013, 16:39 UTC · By: Florin Tibu / Feel like you'd add some more personality to your Sportster? How about converting the classic H-D belt final drive to a chain one? Sounds a bit wacko for some, bit Zipper Performance though thi...
Zipper Muscle 103" Engine Kit for Harley-Davidson Available
30 Sep 2013, 11:30 UTC · By: Florin Tibu / Acclaimed aftermarket powerparts manufacturer Zipper shows a new engine kit for Harley-Davidson Twin Cam 96 engines. The Muscle 103" Kit will upgrade the displacement of the Twin Cam 96 v-twins...