Revolution Gear and Axle Discovery Series 4340 Chromoly Front Axle Kit, fits 1966-77 Bronco with Dana 44 Front Axle. This Revolution Gear and Axle Front Axle Kits comes with Qty2 4340 Chromoly Inner Axles Qty2 4340 Chromoly Outer Stub Axles Qty2 Dana Spicer 5-760X U-Joints Qty8 Full Circle Snap rings to hold it all together. Revolution Gear and Axle Discovery Series Axles are backed by a 10 Year Warranty covering manufacturing defects and axle breakage, bent axles and twisted splines. This warranty is non-transferable. U-Joints are only covered under warranty against manufacturing defects for 1 Year (Front Axle Kits with Revolution Gear HD Chromoly U-Joints carry a limited 10 Year Warranty). Parts subject to normal wear are not covered under warranty; this includes bearings and seals. Revolution Gear and Axle reserves the right to either axle replacement or credit after the first warranty claim.