Pair of used OEM Rotax 1000 cylinder heads with 1000 ATV cams.

These heads have the standard 31mm intake valves and 27mm exhaust valves, please note these are not 1000R heads

To install these in your 1000 Commander you will need to reuse your factory camshafts

These heads are ready to install on your 1000 75mm stoke “big block” v-twin , and will ship as pictured.

Part numbers include: 420623064 420620864 420620869 420254361 420254351 420254905 420254915 420239295