Revolution Gear and Axle Discovery Series 4340 Chromoly Front Axle Kit, fits 2018+ Jeep Wrangler JL and Gladiator JT models with Dana 44/M210 wide-track front axle, only works with the factory 32 spline locker. This front axle kit was developed with a single passenger side inner axle to eliminate the front axle disconnect (FAD) and intermediate axle creating the strongest setup. We added even more strength by utilizing larger Spicer 1410X u-joints. This Revolution Gear & Axle Front Axle Kits comes with 4340 Chromoly Left and Right Inner Axles Qty2 4340 Chromoly Outer Stub Axles Qty2 Dana Spicer 5-1410-3X U-Joints, ISR Style FAD Cover Plate Silicone 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. 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.