PSC Big Bore XD Steering Gear Box (Wrangler JK 2007-2018)

The BIG BORE XD is the most powerful and strongest replacement steering gearbox on the market for the Jeep JK. Any Jeep JK with larger tires and/or locking front differential needs this bolt-on upgrade. The BIG BORE XD, when combined with our XD Pump...

PSC Cylinder Assist Steering Kit- 3.6L with Aftermarket Front Axle 8" Lock-to-Lock (Wrangler JK 2012-2018)

PSC has developed the BIG BORE XD Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 44" tire sizes. All kits include our top of the line components including...

PSC Cylinder Assist Steering Kit- 3.6L with Aftermarket Front Axle 6.75" Lock-to-Lock (Wrangler JK 2012-2018)

PSC has developed the BIG BORE XD Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 44" tire sizes. All kits include our top of the line components including...

PSC Cylinder Assist Steering Kit- 3.6L with OE Axle (Wrangler JK 2012-2018)

PSC has developed the BIG BORE XD Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 44" tire sizes. All kits include our top of the line components including...

PSC Adventure Steering Kit- 3.6L (Wrangler JK 2012-2018)

PSC has developed the BIG BORE XD Adventure Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 35" tire sizes. All kits include our top of the line components...

PSC Installation Hardware Kit for Steering Gear Box with Synergy MFG JK Track Bar Brace (Wrangler JK 2007-2018)

Use the HWK-688-PP hardware kit when installing a Synergy MFG Track Bar Brace with the SG688/R Big Bore XD2 Steering Gearbox. Using the Factory or the PSC supplied bolts with a Synergy MFG Track Bar Brace could result in steering gearbox...

PSC Cylinder Assist Steering Kit- 3.8L with Aftermarket Front Axle 8" Lock-to-Lock (Wrangler JK 2007-2011)

PSC has developed the BIG BORE XD Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 44" tire sizes. All kits include our top of the line components including...

PSC Cylinder Assist Steering Kit- 3.8L with Aftermarket Front Axle 6.75" Lock-to-Lock (Wrangler JK 2007-2011)

PSC has developed the BIG BORE XD Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 44" tire sizes. All kits include our top of the line components including...

PSC Cylinder Assist Steering Kit- 3.8L with OE Axle (Wrangler JK 2007-2011)

PSC has developed the BIG BORE XD Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 44" tire sizes. All kits include our top of the line components including...

PSC Adventure Steering Kit- 3.8L (Wrangler JK 2007-2011)

PSC has developed the BIG BORE XD Adventure Steering Kits to be the ultimate steering upgrade package for Jeep JK/JKUs equipped with locking differentials, aftermarket axles, and up to 35" tire sizes. All kits include our top of the line components...