New OEM Replacement CDI Box for Polaris SL750, SLT 750 Fits: 3240217*Please be advised - when installing a replacement Polaris domestic CDI it is extremely important to verify correct flywheel timing. Refer to a Polaris service manual for your specific models timing and time accordingly after the new CDI is installed.*Failure to follow this recommendation can result in piston deterioration and possible engine failure.