Re: Late 50’s OMC extension kit for 5.5 or 7.5hp Home › Forum › Ask A Member › Late 50’s OMC extension kit for 5.5 or 7.5hp › Re: Late 50’s OMC extension kit for 5.5 or 7.5hp chris-pReplies: 2456Topics: 153 September 4, 2018 at 12:13 am #82243 I haven’t looked through my boxes of shift rods in a while, ill have a look for you. Short of that, Im sure you could cut your current one and extend it somewhere in the middle.