
– Sequential dog-ring gearbox för competition. – 5-gears + reverse, Straight cut gears.
– Torque load up to 450 Nm.
– Weight 18.5 kg only which mean an unbeated relation between weight and strength.
Ratio – options (10):
Set A1: 2,46 – 1,84 – 1,46 – 1,20 – 1,00
Set A2: 2,37 – 1,84 – 1,46 – 1,20 – 1,00
Set A3: 2,28 – 1,84 – 1,46 – 1,20 – 1,00
Set A4: 2,28 – 1,76 – 1,46 – 1,20 – 1,00
Set A5: 2,19 – 1,76 – 1,46 – 1,20 – 1,00New Set B1: 2,36 – 1,76 – 1,40 – 1,16 – 1,00
Set B2: 2,27 – 1,76 – 1,40 – 1,16 – 1,00
Set B3: 2,18 – 1,76 – 1,40 – 1,16 – 1,00
Set B4: 2,18 – 1,68 – 1,40 – 1,16 – 1,00
Set B5: 2,09 – 1,68 – 1,40 – 1,16 – 1,00New
For ex Volvo 240,940 Rally recommended B2
– “UNIC” shift system makes super quick shifts and no dog wear.
– Input shaft: Ford-spline: 1-tum / z23
– Output shaft: Volvo-spline: Ø29 / z26
– Ratchet from 1:st to Neutral and Rev. which releases with a mini lever on the gear stick.
– The Gearbox can be removed with just 4 screws and clutch housing left on the engine. There are adapters for Volvo, Ford, BMW.
Produktblad (pdf)


– Sequential gearbox for motorsport
– For engine torque up to 450Nm
– Weight 19.5 kg only – which gives it a superior relationship between weight and torque
Gear options – (only 1:st gear is different)
Set L: 2,75 – 2,04 – 1,65 – 1,38 – 1,16 – 1,00
Set M: 2,65 – 2,04 – 1,65 – 1,38 – 1,16 – 1,00
Set H: 2,55 – 2,04 – 1,65 – 1,38 – 1,16 – 1,00
This gearbox is based on the same technology as the proven RWD-5. It can handle the same torque (450Nm) as the RWD-5.

We are proud to say that this gearbox not yet have suffered any breakdown because of broken gear or dog failure due to the fact there are a number of unit’s mounted on Rallycross cars equipped with 3,0-3,4 liter engines with power over 400hp.