The NEW Zipper’s Sport Touring Sleeper is designed to produce a wider power curve than a conventional Sleeper kit to transform a stock output engine into a Sportsman style engine power.

This kit has big low-end Torque with an extremely wide power curve designed for a more experienced touring rider. Power is targeted to land between the output of a Standard Sleeper and Muscle Kit, at a reduced cost.

The throttle control and responsive of the power at any RPM/ throttle position is one of the best we have developed to date.   Because you don’t need additional components needed in a Muscle Kit there is a cost savings benefit without compromise of the end result.

3.937″ bore 107″ to a 4.250″ bore = 124″

4.010 bore 114” to a 4.250 bore = 128”

Features:

Big Bore Alloy Cylinders Each cylinder is accurately sized for strictest quality control for maximum ring seal, engine power on the Sunnen SV-30

Zipper’s STAGE 2 Heads Large improvement over OE heads with added air flow by un-shrouding the ports across with advance valve seats machining and short turn porting.

Red Shift RS548 Cam controls the valve train with a dual piston cam chain tensioner to provide strong power with Early Torque, Powerful Mid-Range and a Strong Power Pull all the way to 6000 RPM.

All Components are machined requiring proper cleaning, oiling and crank inspection- before assembly.

 

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.

*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

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