Hewland Engineering Ratio Chart Download Program Select your gearbox below, then follow instructions. If you require help on how to use the ratio chart to optimise your gearbox performance click HERE.   Gearbox:  --- Please Select --- Dallara F3 DG 300 DGB/DGC DTM EGT FGC 4 Speed FGC 5 Speed FT 4 Speed FT 5 Speed FTR IGTC LD 4 Speed LD 5 Speed LSGA Mk8/9 4 Speed with MK8 Ratios Mk8/9 5 Speed with MK8 Ratios Mk8/9 with Mk5 Ratios MVE-STA NLT NMT NST PCT SGT TE TGTA To go to the main Hewland web site to see the full gearbox range, gallery, agent network, illustrated parts lists, ratio lists, and much more........... Click Programmed by