Walbro HIGH PERFORMACE carb kit includes everything u need. (Intake manifold not included or needed, the factory one works great with very minor modification.) Call for installation verbal instructions 256-468-2761 or watch video on youtube! improve top speed by 20%. Also recommend heavy duty & fantastic racing ignition coil & flywheel mod! Install video is 2 parts & part 1 can be viewed @ : https://www.youtube.com/watch?v=KA6RyaCQl10&feature=youtube_gdata_player