ProCom Performance CDI Performance CDI replaces OEM unit Timing curve optimized for maximum performance Modern circuitry allows for better spark energy Simple plug in performance upgrade Comes with a Full One Year Warranty This PROCOM Performance CDI increases the rev limit by 1,000 RPM over the stock rev limit. In addition, this unit offers a re-mapped timing curve which yields a noticeable increase to horsepower and torque over the stock CDI. This CDI box is a direct plug in replacement CDI. Simply locate and remove the stock CDI, and plug the Procom unit directly into the wiring harness, no modification needed. Suitable for stock and modified machines. We cover all our PROCOM Performance CDIs with a full one year warranty. NOTE: IN REFERANCE TO THE POLARIS 500 SPORTSMAN THIS CDI FITS YEAR 2003 MODEL A03CH50AA/AB/AC/AD/AE/AH AND 2004 MODEL A04CH50AA/AC/AE/AG ONLY. Product Details Product Line ProCom Performance CDI Part Number PE-C-AP500S-A Fitment Type Model-Specific Fitment Use Type Unit Sale Qty Each Style Material Voltage Output Battery Charging Amps (Normal) Battery Charging Amps (Maximum) Battery Amps (Cold Crank) Battery Capacity (ampHours) Battery Dimensions Product Disclaimer Fitment Note Fits 2003 Model A04CH50AO/AQ/AR/AS/AT/AV/AW/AX2004 MODEL A04CH50AA/AC/AE/AG ONLY. Fitment Note Fitment Note Fitment Note Fitment Note Items Included Fitments 2003 Polaris Magnum 500 4x42003 Polaris Scrambler 500 4x42003 Polaris Sportsman 4002003 Polaris Sportsman 500 HO