Zipper’s Knows Sportsters. Their Street To Strip Performance Strategies.

Zippers1During more than a decade Zipper’s cut their teeth and built their products performance reputation racing Sportsters (5 National Drag Racing Championships and over 60 National and World Records.) Strong of their racing knowledge, Zipper’s offers street-to-strip performance strategies for riders of all kinds. Below a few of them.

Zippers2Red Shift® Performance Cams: Zipper’s Performance has Red Shift® performance cam grinds for Evolution®, XR1200®, Buell® XB® and even Ironhead® Sportster® models. No other manufacturer has more performance cams for Sportsters®! Red Shift® Cams are engineered and manufactured by Zipper’s here in the USA with the most advanced engineering design processes built into every cam. You can get the power and performance you want without sacrificing your engine and valve train. Zipper;s can Configure your Sportster® Cams for special applications such as 2 Front Heads (XR® Style).

Zippers4Chain Conversion Kits: Zipper’s has taken the hassle of converting your late model belt driven Sportster® to chain drive, whether for greater durability, altered final drive ratio, clearance for a wider tire, cool old school looks, or all of the above!

Front sprockets are steel, rear are made from extremely tough hardened 7075-T6 aircraft quality aluminum. Choose between high-wearing RK Pro O-Ring chain or RK’s brutally strong, non-o-ring DR (Drag Race) chain.

Zippers55Fuel and Ignition Upgrades: Zipper’s racing heritage and constant R&D has lead to their guru status for performance fuel and ignition upgrades. For EFI Sportsters® and XR’s®, the company offers ThunderMax® with AutoTune EFI system. Boosting performance, simple installation, easy set-up and does not require a Dyno for a great tune. For carbureted Sportsters®, they offer fuel systems from ThunderJet®, S&S® and Mikuni® with their own proprietary line of MAXFlow air cleaners.

Zippers3Transmission Upgrades: You can get resilient transmission components. Get a rock-solid foundation for your high performance build with a Zipper’s Billet Trap door. Strengthen your Sportster® transmission with Trap Door options for 4-speed and 5-speed XL’s. Zipper’s also stocks the full line of Andrews® gears and shafts for Sportsters® 4 & 5-speed models.

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