Zippers Muscle 103 Kit

These kits are available from any Zipper’s Performance Products dealer, or you can send your carefully packed heads and cylinders directly to Zipper’s. Give Your TC 96″ a Major Workout with Our Muscle 103″ Engine Package! Smooth, linear power is extracted from the Twin Cam® with the installation of Zipper’s Muscle 103″ engine kit. This […]

Zipper’s 2010 Harley Accessory Catalog Preview Now Available

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Zipper’s 2010 Catalog Preview Is Now Available for Download! Zipper’s Performance Products is pleased to announce the release of their 2010 Catalog Preview, featuring exciting, value-packed performance products for American V-Twins!  In the new catalog, you will find “Best in Class”  performance packages and components, including the Award Winning ThunderMax EFI System, Red Shift Cams […]