PSC Cylinder Assist™ Steering Kit SK689R20JP1‑6.75W‑1.375 – Jeep JL 2.0 L Turbo (Non‑eTorque), 6.75″ Stroke, 1.375″ Tie Rod Clamp
SK689R20JP1-6.75W-1.375
Upgrade your 2020+ Jeep Wrangler JL 2.0 L Turbo (non‑eTorque) with PSC’s SK689R20JP1‑6.75W‑1.375 Cylinder Assist™ Steering Kit—purpose-built for aftermarket axles that use a 1.375″ OD tie rod clamp, like Currie HD60 conversions or custom steering setups. This all-inclusive kit delivers bolt-on hydraulic stability, reduces steering fatigue, and enhances control when using 35″+ tires and lockers.
Features & Benefits:
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Big Bore XD Steering Gearbox (SG689R): Upgrades from 70 mm to 80 mm piston and increases sector shaft to 45 mm for 35%+ torque improvement and structural strength
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6.75″ Stroke Assist Cylinder (CAK689R‑6.75W): Heavy-duty axle-mounted hydraulic ram matched to your steering stroke for full control in technical terrain
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1.375″ Tie Rod Clamp (TRCL1.375): Machined clamp designed to secure cylinder brackets around 1.375″ OD tie rods—no welding to rods required
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Full Hydraulic Pump Kit (PK20JP1): Includes belt-driven mechanical pump, remote reservoir, AN hoses, fittings, cooler, pitman arm, SWEPCO 715 fluid, and anti-splash valve—replaces factory EHPS for consistent off-road performance
Why Choose It?
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Significantly reduces steering effort in tight turns and locked-diff scenarios
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Eliminates overheating issues linked to the factory electric steering pump
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Enhances steering precision, stability, and feedback on and off-road
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Compatible with heavy-duty aftermarket axles—but not factory OEM tie rods or non‑eTorque JL setups
Installation Notes:
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Weld-on mount tabs included for axle-side cylinder mounting
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Requires disabling factory EHPS via Tazer JL or similar programmer
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PSC recommends HWK‑689‑PP hardware kit if using a Synergy MFG track bar brace to prevent gearbox stress