PSC Cylinder Assist™ Steering Kit for 2020 and Newer Jeep JL/JT 3.6L w/ 8.0" Stroke Front Axle and No Tie-Rod Clamp

Expected time to ship, 2-3 business days
Quick Overview



Upgrades the 70mm stock piston to 80mm, providing more torque to turn larger tires

Enlarges the sector shaft diameter from 42mm to 45mm, increasing the strength

Comes with NEW OE-spec pitman arm and nut to fit larger 45mm sector shaft

Reliable mechanical, belt-driven pump replaces the stock electric pump

All required hoses, fittings, cooler, anti-splash valve & SWEPCO power steering fluid

Ultimate steering stabilizer for daily driving



(SG689R) 18-2023 Jeep JL/JLU BIG BORE XD Cylinder Assist™ Steering Gear (Not Sold Separetely)

Box 2

(PK36JP3) 3.6L Cylinder Assist™ Pump Kit

Box 3

(CAK689R-8.0W) 8.0” Stroke Cylinder Assist™ Axle Kit



Add HWK-689-PP And SYN-8869-10 when installing any Synergy MFG Front Track Bar Brace (or similar) with this product.

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

The larger size of the BIG BORE XD2 Steering Gearbox may prohibit the use of some aftermarket track bars.

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More Information
Custom Stock StatusExpected time to ship, 2-3 business days
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