PSC BIG BORE XD Cylinder Assist Kit Jeep JL/JT 3.6L 2020+ SK689R36JP3 Series
PSC BIG BORE XD Cylinder Assist Kit Jeep JL/JT 3.6L 2020+ SK689R36JP3 Series - OEM / 6.75" / No Clamp
PSC BIG BORE XD Cylinder Assist Kit Jeep JL/JT 3.6L 2020+ SK689R36JP3 Series
PSC BIG BORE XD Cylinder Assist Kit Jeep JL/JT 3.6L 2020+ SK689R36JP3 Series

PSC BIG BORE XD Cylinder Assist Kit Jeep JL/JT 3.6L 2020+ SK689R36JP3 Series

SK689R36JP3-6.75W-1.25

Regular price$3,790.00
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Shipping calculated at checkout.

Axle Type
Axle Stroke
Tie Rod Clamp Size

You've lifted your JL or JT, slapped on 37s or bigger, and now your steering feels like a workout - this kit's your fix.

PSC's legendary BIG BORE XD Cylinder Assist Steering Kits are built to handle the extra load and torque that come with oversized tires, beefed-up axles, and all the gear you've bolted on. Whether you're aired down and off-roading, towing, or just daily driving and mall crawling, this is a critical upgrade that'll make your Jeep steer like it should.

PSC bumped the stock 70 mm piston to a beefy 80 mm for more torque, and upgraded the sector shaft from 42 mm to 45mm to eliminate the all-too-common shear problem. Don't trust sensors and computers to decide how much pressure you need? Good - this kit includes a belt-driven, mechanical pump that puts you in control.

Every kit comes complete with a steering gear, pump, pre-fab hose assemblies, fluid cooler, PSC's 715 Power Steering Fluid, and your choice of a Tie Rod Clamp or No-Weld Brackets for unmodified factory axles and tie rods.

Running factory or aftermarket axles? Third-party tie rod? No problem. Just pick the right axle travel length (6.75", 7.5", or 8.0") and clamp size to match your setup - and you're good to go.

  • 19 configurations available - select your options to see the part number
  • Axle Type: Aftermarket, OEM
  • Axle Stroke: 6.75", 7.5", 8"
  • Tie Rod Clamp Size: 1-1/4", 1-3/8", 1-1/2", 1-1/2" OS, 1-5/8", 1-3/4", 2", No Clamp
  • Shipping weight: 99 to 103 lb depending on configuration

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