Malossi Big Bore Kit Vertical ZUMA 89-01Straight out of Malossi's Italian workshop. The Malossi cast kit is a tried and true reliable sport kit, that will last a long time, and provide that low end grunt your looking for. The kit includes: Cast Iron Cylinder, d=47mm, with 6 transfer ports and oval exhaust port Two Ring Piston, 10mm pin High Compression Cylinder Head, aluminum Gasket Set for mounting Originally developed for endurance racing and everyday road use, this kit is known for its