Seller notes

CDI Box Fits 1988 Polaris Trail Boss 250R/ES CDI Box RICK'S MOTORSPORT ELECTRICAL INC. Free Fedex 2 Day Shipping! *Includes duplicator circuits, altered ignition advance curves and increased rpm redline *Enhance overall performance when installing a high-flow jet kit *Criteria for determining performance enhancements include type of engine (2- or 4-stroke) and if the machine has a pulse-generated ignition or battery-supplied ignition *Can also be used to replace defective CDI box on stock machin...

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