Non O-Ring Chain and Sprocket Set 1995 1996 Polaris Magnum 425 4X4 64L,70L,86L Sprocket Set includes: 11T, 11T, 12T, 22T, 22T, 38T sprockets and 520-64L, 520-70L, 520-86L Non-O-Ring Chain All Race-Driven sprockets meet or exceed OEM specifications and use hardened S45C steel. Non-O-Ring chain doesn't have o-rings between the links so it is lighter, thinner and has less drag. Fits 1995-1996 Polaris 425 Magnum 4x4