This driven gear unit was created specifically for use with FR-32FX and FS-12FD radiance engines for effortless engine beginning utilizing the ITEM# 41079 Handy Starter.
- The FS-12FD radiance motor is currently standard gear on ITEM# 43529 Mad Spirit and ITEM#43531 Vodafone Mercedes C-Class DTM 2006, with additional models in the future.
- The FR-32FX motor is standard on ITEM# 43530 TNX5.2R, and also this driven gear unit can be used as an extra part the stock product included with that product.