This driven gear device was made designed for use with FR-32FX and FS-12FD radiance engines for effortless motor beginning using the ITEM# 41079 Handy Starter.
- The FS-12FD radiance engine happens to be standard gear on ITEM# 43529 Mad Spirit and ITEM#43531 Vodafone Mercedes C-Class DTM 2006, with additional models as time goes by.
- The FR-32FX engine is standard on ITEM# 43530 TNX5.2R, and also this driven gear unit may be used as a supplementary component the stock product included with that item.