MALOSSI Sport Vespa T5 172 Cylinder KitMALOSSI Sport Vespa T5 172 Cylinder Kit The Malossi Vespa T5 Kit is made in Aluminium with the highly wearable heat resistant lining. Paired with a well made piston makes the Malossi 172 Kit very durable. Malossi has a longer stroke angle (approx. 120 176) than the original cylinder, but in combination with the original exhaust it remains an absolute torque steamer, which delivers its full torque at just over 4500 rpm. aluminium 5 ports 65,0mm stroke