Prepare your semi to be Ready for the Road Ahead™ with an efficient transfer of engine power, with the Neapco 1550 Series Full Round / Outside Snap Ring / Greaseable Universal Joint. This cross-shaped universal joint allows the drive shaft to transmit power to the wheels, even as it moves up and down with the suspension. Engineered with precise measurements and a durable body to resist rust, weathering, and corrosion. FleetPride is your First Click in Heavy Duty®.