Fits front, left and right on the following Yamaha ATV models: 1998-1999 Big Bear 350, 2000-2001 Big Bear 400, 1999 Kodiak 400, 1995-2000 Wolverine 350. Features 4140 chromoly steel bars for a higher tensile strenth and more durability. Engineered as a direct replacement, fully-assembled, and ready to install. Joints fitted with neoprene CV boots for flexibility and resistance to hot/cold temperatures. Utilizes high-performance moly grease for protection against the environment and to keep vital components lubricated. Replaces OEM # 4KB-2510F-00-00, 4KB-2510J-00-00. Inner splines: 20 (both), Outer splines: 27 (both), Compressed length: 489.5 mm (both). Warranty: 2 Years (excluding torn boots & use on lifted vehicles). Lift kit voids warranty, parts are not designed to be used on modified suspensions. Fits front, left & right: 1998-1999 Big Bear 350, 2000-2001 Big Bear 400, 1999 Kodiak 400, 1995-2000 Wolverine 350. * Replaces Yamaha OE # 4KB-2510F-00-00, 4KB-2510J-00-00 * inner splines: 20, outer splines: 27, Compressed length: 489.5 mm.