If you want to save weight and space, it's difficult to put an extra radiator on your OK, OKJ or KZ kart, so you can put a heat exchanger where the water flows through as usual - the efficient cooling fins divert the heat from the water. This weighs only 305g and is then an alternative to putting an extra radiator.
- Dimensions: 140 x 40 mm
- Weight: 0.305 kg
