We are currently organizing and building our Accessories list if you don't see it here just give us a call 520-721-0087. Ignition Caps for your 3W Engines. Prop Hubs for your 3W Engines. Prop Discs for your 3W Engines. Reed Valves for your 3W Engines. Carburetor blocks for your 3W Engine Hall Sensors for your 3W Engines. 3W Coil Sensors for your 3W Engines. We now stock the new 3W Ignition Systems!