The only issue is using the correct bell housing and flywheel. If you are going 12V then you'll either need a 12V starter and flywheel or if using the original stomp starter (6V) you'll need the corresponding flywheel. The 6V starter can be used on 12V without issue. Take a gander at this
Tech Tip to learn about the differences in starters and flywheels. The transmission will bolt right in (assuming you're using the original bell housing.
