1、Applicable Model: Replacement for Raptor 660R 2001-2005; Replacement for Grizzly 660 2002-2008; Replacement for Rhino 660 2004-2007. 2、Part Number: 5KM 11310 00 00, 3YF 11310 01 00, 3YF 11181 00 00, 3YF 11351 00 00, 3YF 11633 01 00, 3YF 11631 00 X0, 93450 24028 00, 90201 102G9 00, 90105 10649 00, 90105 09648 00 etc. 3、Pressure Resistant: The piston is used to bear the combustion pressure in the cylinder and transmit this force to the crankshaft through the piston pin and connecting rod. 4、Durable Construction: The cylinder is made of aluminum alloy material, which has high strength, is not easy to deform, and has strong impact resistance, which can reduce engine jitter and make driving more stable. 5、Long Service Life: The cylinder can work under harsh conditions, with long service life, high reliability, simple operation, convenient control, and help with engine maintenance.