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Your cart is empty.Procom CDI Box ; 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. ; Fits on: Polaris ATP500 4x4 ;2004 Magnum 500 4x4 ;2002 to 2003 Ranger 4x4/2x4 Series 11 ;2004 Ranger 500 ;1999 Ranger 4x4 Series 10 ;2003 Ranger 6x6 Series 10 ;2003 Ranger 6x6 Series 11 ;2004 Scrambler 500 4x4 ;2003 ; Sportsman 400 / 4x4 ;2003 to 2004 Sportsman 500 / HO/ 4x4 ;2003 to 2004 Sportsman 500 6x6 ;2003 ;