PSC - PSC Cylinder Assist™ Steering Kit for 2012-18 Jeep Wrangler JK 3.6L w/ Front Axle 6.75" Lock-to-Lock with 1.25" Tie Rod Clamp (SK688R36JP1-6.75W-1.25)

PSC - Cylinder Assist™ Steering Kit for 2012-18 Jeep Wrangler JK 3.6L w/ Front Axle 6.75" Lock-to-Lock with 1.25" Tie Rod Clamp (SK688R36JP1-6.75W-1.25)


SKU :210000009896 ()

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  • Need Installation? Contact Us


At West Coast Off-Roaders we pride ourselves in giving you the best advice to ensure that you purchase the right product to suit your specific needs, as well as ensure that it is the right fit or application for your vehicle. For expert advice, pricing, shipping and an accurate ETA, please give us a call on 604 770 1252 or contact us via the contact page on this website.    


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 the BIG BORE XD Steering Gearbox, High-Performance Power Steering Pump Kit with Remote Reservoir, High Pressure Hose Conversion, Steering Assist Cylinder with Hardware, 1-3/8" Tie Rod Clamp, Fluid Cooler, and SWEPCO 715 Power Steering Fluid.  

For the daily driver or a project that is not quite ready for a steering assist cylinder installation.

Every PSC BIG BORE XD Cylinder Assist Steering Kit is complete with everything needed for a successful installation.


2012-2018 Jeep JK 2 Door or 4 Door 3.6L with 1.25 OD Tie Rod


Eliminates excessive on-center steering wheel "play"
Eliminates pump overheating
Increased Torque Output turns 37" and larger tire sizes 
Improved turning capability when locking differentials are engaged


BOX 1:
SG688R Big Bore XD Steering Gear

BOX 2:
PK36JP1 Complete Pump Kit: Includes Fluid Reservoir, Fluid Cooler, Fluid Anti-Splash Valve, Serpentine Drive Belt, Brackets, Hoses, & Fittings, and 4 QTS SWEPCO 715 Power Steering Fluid

*PUMP KIT NOTE* For vehicles equipped with a supercharger, please call our Sales Team 9AM-5PM CST Monday-Friday at 817-270-0102 to place a custom order. 

BOX 3: CAK688R-6.75W Cylinder Assist™ Kit: Includes Assist Cylinder™, Rod Ends and Hardware, and Installation Hose Kit

BOX 4: TRCL1.25: 1.25" ID Tie Rod Clamp

Use HWK-688-PP hardware kit when installing a Synergy MFG Track Bar and Sector Shaft Brace with this product.

Using the Factory or the standard PSC supplied bolts with the Synergy MFG Track Bar and Sector Shaft Brace could result in steering gearbox case failure.


The larger size of the BIG BORE XD Steering Gear may prohibit the use of some aftermarket track bars. Consult with your Installer.

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