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When you’re upgrading your JL 392 HEMI with PSC steering components
PSC’s Cylinder Assist Steering Kits are built to handle the power of the HEMI and the punishment of off-road driving
} The SG684 Series gives you the right steering gear for your Jeep Wrangler JK or JKU—whether you're replacing a worn-out factory box or stepping up to a full Cylinder Assist® setup
It’s the kind of setup we’d run on our own vehicles — because we’re not interested in chasing leaks or fighting with mismatched threads
Want even more muscle
Frame-Mounted Reservoir Tank - Jeep Wrangler JL GMC-2500-3500-HD-1985 When you’re upgrading your JLThis frame mounted reservoir tank is the clean, no nonsense way to run a PSC steering system on your Jeep JL. It tucks in nice and low on the frame rail, keeps your engine bay uncluttered, and gives you the fluid capacity you need for big tires and Cylinder Assist. Built tough, easy to service, and designed to handle the heat of hardcore off road use. If youre serious about steering performance, this is the reservoir setup you want.