Need more power: 56, 66, 76 hp

Original quad has 43 hp for the motor and 37 at thee rear wheels, these kits allow:

56 hp / 7200 rpm; 60 Nm / 5300 rpm; 650 ccm
66 hp / 7200 rpm; 67 Nm / 5500 rpm; 711 ccm

Prices and some pictures can be found here