We Created an Affordable EV Performance Package that has Become One of Our Most Popular Kits!

We call it the 80/80, because it takes your stock 48 horsepower 80 incher and pumps it up to an easy 80+ rear wheel horsepower with 90 ft/lbs of stump-pulling torque! This package is designed to give you the most for your performance dollar. The ingredients of this kit are the result of the careful selection of components and modifications that emphasize a super strong mid-range and top-end power band without any catastrophic dips or flat spots.

Headwork includes Zippers CNC porting, honed to size Zippers Step-Lock guides, multi-angle Serdi seat machining, Baisley Pro-Street Valves (1.900”/1.630”), performance spring kit and Viton valve seals. Cylinders are decked then mounted on torque plates and precision honed for forged domed pistons. Cam chest components include a Red Shift 559 cam, Torrington cam bearing, steel breather gear, shims and chrome moly adjustable pushrods. Carbureted models receive Zipper’s full HPCV treatment while fuel injected kits include a fully dressed ThunderMax 50mm throttle body and ECM (Marelli conversion) with AutoTune. Zipper’s high flow air cleaner assembly is supplied, along with a top quality gasket set.

Outwardly, everything appears virtually stock. Inside, this combination of components and machine work have perfect balance, producing the most friendly power band that ever fit into this price range. It is designed to be used on stock engines that are equipped with performance pipes and programmable ignition system. If you haven’t already changed your pipes and ignition, they can be added to the package. Installation is as easy as installing the top end and cam chest (checklist provided). Basic top end and cam chest disassembly and re-assembly with some minor clearancing is all that is required. Send us your heads, cylinders and CV carb for modification. Dyno tuning after installation recommended. If you have been contemplating a power boost, you owe it to yourself to check this out. Owners of motorcycles equipped with this package have only this to say: “It’s Amazing!”

All kits can be purchased whole or in any combination of desired components, please contact our sales department at 410-579-2828 for more details and pricing.

*To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website.
Click here for Zipper’s Build Sheet/Job Order Sheet


Not legal for sale or use in California on any pollution controlled motor vehicle.
Not legal for sale or use on any EPA pollution controlled motor vehicle.

Weight 1 lbs
Emissions Compliant

Country of Origin

Engine Type


Fuel / Air


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