You will need to use the drive adapter and muffler off of your original engine if you don't buy the same spec engine. The most common specs on the Magnum original engines were 24608 and 24554. If you have a Triad series engine on this, you must utilize the same engine.
Our Briggs Conversion Kit works well in place of the Magnum Series engine.
Our Kawasaki Conversion Kit works well in place of the Command Series engine.