Product Details: Ensure your semi is Ready for the Road Aheadâ„¢ with an efficient transfer of engine power, with the Spicer SPL140 Series Full Round Greaseable Universal Joint. Due to its cross-shaped design, this universal joint is able to transfer power to the wheels from the drive shaft while it moves up or down with the suspension. Engineered with precise measurements and a durable body to resist rust, weathering, and corrosion.