Home / Airframe Parts & Assemblies / Aircraft Modifications / Kit, Conv. AF SPTII Topmount Kit, Conv. AF SPTII Topmount$2,499.95 Kit, Conv. AF SPTII Topmount quantity Add to cart SKU: Q99335 Category: Aircraft Modifications Description Description If the engine on your two place plane is mounted under the wing this kit will update your “Trike” to the current configuration with the top mount engine. This is a major Upgrade conversion kit. When complete your plane will have a PLENTY new parts. This kit does not include the required engine mounts for your engine. CLICK HERE for the list of parts included in this kit. CLICK HERE for the illustrated parts page.