Click HERE for a printer friendly version Hewland Engineering Ratio Chart Help LD 5 SPEED RATIOS LD 1ST Ratios are used as first gears on 4 speed boxes and 2nd gears on 5 speed boxes. These are noted as 1ST on the ratio charts. LD5 1ST Ratios are used as first gears on 5 speed boxes only. These are noted as 5-1ST on the ratio chart. LD STD Ratios are used as second, third and fourth gears on 4 speed boxes and third, fourth and fifth gears on 5 speed boxes.   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