AEM cam gear specially modified by Hondata to run a K Series ECU with KPro on 01-05 Civics with D17A1 or D17A2 engines. Works on VTEC and Non-VTEC D17 engines. The stock D17 cam gear has the incorrect timing teeth to work with a K series ECU (ie: PRB, PND, PNF, etc). The Hondata modified cam gear's timing teeth are setup so that it will work with a K series ECU that has a KPro system installed.
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WILL IT WORK A STOCK ECU, OR WILL IS MESS UP THE TIMING
This is only for use when using a Kpro or KTuner equipped K series ECU. It is not for use with the stock D17A ECU.