This set of new CV axles & wheel bearing/seal kits fit front left & right on the following Yamaha ATVs * 1989-1996 Big Bear 350, 1993-1998 Kodiak 400, 1994-2000 Timberwolf 250 4x4 * inner splines: 21. outer splines: 27. Compressed length: 497.5 mm * Features a stronger than OEM chromoly forged steel axle bars * Greased with a moly based grease to provide superior joint lubrication * Fitted with neoprene CV boots for added wear and puncture resistance * High speed bearings manufactured for long life * Double lip seals made to keep grease in and dirt out * inobard CV joint spline count: 21 (both), outboard CV joint spline count: 27 (both), Compressed overall axle length: 497.5 mm * Replaces Yamana OEM # (axles) 3HN-2510F-01-00, 3HN-2510H-00-00, 3HN-2510H-00-15, (bearings & seals) 93306-00612-00, 93102-38383-00, 93102-38417-00.