XD Cylinder Assist® Steering Gear – Jeep Wrangler JK/JKU (2007–2018) Jeep-Wrangler-YJ-1989 Designed specifically for 1987–2001 Jeep

Designed specifically for 1987–2001 Jeep Cherokee XJs

or heavy axles on your 4th Gen RAM

it’s all about giving you a tighter

PSC uses a larger ring and rotor design to move more fluid at lower RPMs

The high-flow tower helps move big tires with ease

XD Cylinder Assist® Steering Gear – Jeep Wrangler JK/JKU (2007–2018) Jeep-Wrangler-YJ-1989 Designed specifically for 1987–2001 JeepThe SG684 Series gives you the right steering gear for your Jeep Wrangler JK or JKUwhether you're replacing a worn out factory box or stepping up to a full Cylinder Assist setup. At the base level, the SG684 is a brand new OEM style replacement that bolts in like stock and restores proper steering feel. For builds that need more control and strength, the SG684R Cylinder Assist gears take it further. These units are equipped with PSCs integrated valve