
PSC Cylinder Assist™ Steering Kit for 2018–2023 Jeep JL 3.6L – 8.0″ Stroke, 1.375″ Tie Rod Clamp
SK689R36JP2-8.0W-1.375
Conquer demanding off-road terrain with the PSC Cylinder Assist™ Steering Kit, purpose-built for the Jeep JL 3.6L (2018–2023) equipped with a Currie HD60 front axle and 1.375″ OD tie rod. Designed for vehicles running 37" or larger tires, lockers, or full-width axles, this kit delivers unmatched hydraulic steering performance, reliability, and control.
This version features an 8.0″ stroke assist cylinder, providing maximum steering angle and power output for vehicles running aftermarket axles with extended lock-to-lock steering requirements. The included 1.375″ tie rod clamp ensures a secure fit to your custom HD steering setup.
Key Features:
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Big Bore XD Steering Gear
Delivers up to 45% more torque over factory with an 80mm piston and 45mm sector shaft. Perfect for larger tires and high-load wheeling. -
High-Volume Hydraulic Pump with Remote Reservoir
Replaces the factory electric steering pump, enhancing flow, pressure, and cooling capacity for demanding trail use. -
8.0" Stroke Hydraulic Cylinder
Engineered to handle longer travel and high articulation front axle setups like the Currie HD60. -
1.375″ OD Tie Rod Clamp
Precision-fit clamp ensures proper placement and secure attachment of the hydraulic assist cylinder. -
Complete Installation Package
Includes all lines, hoses, AN fittings, cooler, reservoir bracket, pitman arm, SWEPCO 715 fluid, and necessary hardware.
Whether you're rock crawling or racing desert trails, this system reduces driver fatigue, improves turning response, and eliminates steering fade under pressure.