The airsal cylinder kit for benelli 491 50 ac 2001 is part of the latest collection from airsal.Features: kits for replacing a complete cylinder airsal cylinders are made in aluminium and scanimet coating nickel silicon carbide . This coating improves resistance to wear and tear also the mechanical properties of the cylinder hardness 600 wickers , flexibility, lower heating besides low friction coefficient are the main differences against the cast iron cylinderscylinder kit contains: cylinder, complete piston and gasket kitspecifications:to fit: aprilia gulliver 50 ac 1993 european models aprilia gulliver 50 ac 1994 european models aprilia gulliver 50 ac 1995 european models aprilia gulliver 50 ac 1996 european models aprilia gulliver 50 ac 1997 european models aprilia gulliver 50 ac 1998 european models aprilia gulliver 50 ac 1999 european models aprilia rall modelsy 50 ac 1993 european models aprilia rall modelsy 50 ac 1994 european models aprilia rall modelsy 50 ac 1995 european models aprilia rall modelsy 50 ac 1996 european models aprilia rall modelsy 50 ac 1997 european models aprilia rall modelsy 50 ac 1998 european models aprilia rall modelsy 50 ac 1999 european models aprilia rall modelsy 50 ac 2000 european models aprilia rall modelsy 50 ac 2001 european models aprilia rall modelsy 50 ac 2002 european models aprilia rall modelsy 50 ac 2003 european models aprilia rall modelsy 50 ac 2004 european models aprilia scarabeo 50 1994 european models aprilia scarabeo 50...