Fits rear, left or right on the following Yamaha ATV models: 2011-2014 Grizzly 450 / 450 EPS 4x4. Features a 4140 chromoly steel bar 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 # 1CT-2530V-00-00, 1CT-2510F-00-00. Compressed length - 508 mm, Inboard spline count - 23, Outboard spline count - 27. 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 rear, left or right on the following Yamaha ATV models: 2011-2014 Grizzly 450 / 450 EPS 4x4. Features a 4140 chromoly steel bar 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 # 1CT-2530V-00-00, 1CT-2510F-00-00. Compressed length - 508 mm, Inboard spline count - 23, Outboard spline count - 27.