Yukon Dana 80 Steel Spool - 35-Spline, 4.10 & Up 1974-Chevrolet-C10 Proper installation and setup are

Proper installation and setup are critical to ensure smooth operation

As preload consistency deteriorates

Two pre-greased high strength CV joints

Part Number: YG C9

Yukon Dana 80 Steel Spool - 35-Spline, 4.10 & Up 1974-Chevrolet-C10 Proper installation and setup areConvert your Dana 80 axle to full time lockup with a heavy duty steel spool designed for 35 spline builds. This spool replaces the factory differential carrier, permanently locking both axle shafts together for 100% torque delivery to each wheel. Its a simple, reliable solution for rigs that demand maximum traction in straight line applications like drag racing, mud trucks, and dedicated off road builds. Machined from high quality 8620 steel and heat