Update your semi with an effective method of transferring engine power, with the Spicer SPL350 Series Greaseable Universal Joint that ensures you're Ready for the Road Aheadâ„¢. Thanks to its cross-shaped design, this universal joint is able to send power to the wheels from the driveshaft as it moves with the suspension. Fashioned with precise measurements and a durable body to resist rust, corrosion, and weathering.