800 Cutler top end kit uses CPC cast cylinders with billet head. It uses stock 800 polaris pistons in 85mm. Cylinders still have cross hatch in them. Kit is is great shape and is very strong. 180hp in race trim. Includes CPC twin pipes, Koso EGT guages and Attitude Ind fuel controller. It will fit all 6 and 7 laydown motors. $1500 obo 218-329-3561