BIG BORE XD® Steering Gear - Jeep Wrangler JK / JKU (2007-2018) Do you want Cylinder Assist® Now for Future Plan?:Yes hydro-boost to pump—made to OEM

hydro-boost to pump—made to OEM spec with heavy-duty materials

out on the trail

and the whole system is built to take serious use

working in the shop

Designed for big tires

BIG BORE XD® Steering Gear - Jeep Wrangler JK / JKU (2007-2018) Do you want Cylinder Assist® Now for Future Plan?:Yes hydro-boost to pump—made to OEMThe stock JK steering box? Its fine for stock tires and errands. But throw on 37s, a locker, and a weekend in Moab, and that things begging for mercy. The BIG BORE XD is the fixbuilt with a beefy 45 mm sector shaft and a reinforced case so it wont twist, crack, or cry when you crank it hard. Pair it with a PSC High Flow Pump Kit and youll feel the difference the first time you turn the wheelsmooth, strong, and no more arm wrestling at the trailhead.