overview The XD Cylinder Assistâ„¢ Kits for the 2021-2024 Jeep Wrangler 392 Rubicon are now available from PSC. These kits come fully assembled with hoses and fittings for an effortless installation. They include all mounting brackets, hardware, and a XD Steering Gear that includes the proprietary PSC High Flow Tower with a custom spool valve. An upgraded pump is also included, designed to efficiently operate the steering gear and cylinder assist. Additional features include a high-capacity remote power steering fluid reservoir, a high-flow heat sink fluid cooler, an anti-splash valve to prevent fluid contamination and reduce aeration, and PSC 715 High-Performance Power Steering Fluid. All these products provide the ultimate dynamic steering stabilizer system for your Jeep 392 JL. Application 2021-2024 Jeep JL 392 Factory Axle Aftermarket Tie Rod Kit Includes Special Valved XDR Steering Gear Box 392 Hemi Cylinder Assist Pump Kit 6.75" Stroke Cylinder Assist Axle Kit *Tie Rod Clamp Factory Tie Rod Kit Includes Special Valved XDR Steering Gear Box 392 Hemi Cylinder Assist Pump Kit Factory Tie Rod Cylinder Assist Axle Kit