PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits

Not Yet Reviewed

PSC has taken the Jeep JL steering system back to the drawing board and engineered their exclusive Jeep JL Big Bore XD steering cylinder assist kits. These kits are engineered to solve the original steering issues, and efficiently handle the increased torque loads on vehicles equipped with any combination of 37 in. or larger tire sizes, upgraded aftermarket axles, or differential lockers. Features and benefits of upgrade kit include: * Increased torque output * Relieves stress on steering gearbox and frame mounts * Steering assist cylinder acts as a dynamic steering stabilizer

Showing In Stock Items. Show All 19 Items.

Results 1 - 19 of 19

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-6.75W-1.5

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 6.75 in., Aftermarket Axle, 1.5 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0066

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2020 WRANGLER - SK689R36JP2-6.75W-NC

Hydraulic Steering Kits, Big Bore XD Series, Cast Iron, 8.0 in, Stroke,D60 Axles,High Pressure Hoses,Stainless Steel Fittings, Jeep, Kit

Part Number: PFN-S0138

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2020-2023 WRANGLER - SK689R20JP1-8.0W-1.25

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 8.00 in., Aftermarket Axle, 1.25 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0056

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2020 WRANGLER - SK689R36JP2-7.5W-1.75

Hydraulic Steering Kits, Big Bore XD Series, Cast Iron, 7.5 in, Stroke,D60 Axles,High Pressure Hoses,Stainless Steel Fittings, Jeep, Kit

Part Number: PFN-S0139

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2020 WRANGLER - SK689R36JP2-7.5W-NC

Hydraulic Steering Kits, Big Bore XD Series, Cast Iron, 8.0 in, Stroke,Curry Rock Jock Axles, High Pressure Hoses,Stainless Steel Fittings, Jeep, Kit

Part Number: PFN-S0140

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2020 WRANGLER - SK689R36JP2-8.0W-NC

Hydraulic Steering Kits, Big Bore XD Series, Cast Iron, 8.0 in, Stroke,Curry Rock Jock Axles, High Pressure Hoses,Stainless Steel Fittings, Jeep, Kit

Part Number: PFN-S0141

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-6.75W-1.5OS

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Cylinder 6.75 in., Aftermarket Axle, 1.5 in. Offset Tie Rod, Jeep, Kit

Part Number: PFN-S0067

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-6.75W-1.625

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 6.75 in., Aftermarket Axle, 1.625 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0068

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-6.75W-1.75

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 6.75 in., Aftermarket Axle, 1.75 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0069

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-6.75W-2.0

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 6.75 in., Aftermarket Axle, 2.0 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0070

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-6.75W-1.25

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 6.75 in., Aftermarket Axle, 1.25 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0064

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-6.75W-1.375

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 6.75 in., Aftermarket Axle, 1.375 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0065

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2020-2023 WRANGLER - SK689R20JP1-6.75W-1.375

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 6.75 in., Aftermarket Axle, 1.375 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0050

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-8.0W-1.375

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 8.00 in., Aftermarket Axle, 1.375 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0072

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-8.0W-1.5

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 8.00 in., Aftermarket Axle, 1.5 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0073

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-8.0W-1.5OS

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Cylinder 8.00 in., Aftermarket Axle, 1.5 in. Offset Tie Rod, Jeep, Kit

Part Number: PFN-S0074

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-8.0W-1.625

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 8.00 in., Aftermarket Axle, 1.625 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0075

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-8.0W-1.75

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 8.00 in., Aftermarket Axle, 1.75 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0076

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

PSC Jeep JL Big Bore XD Steering Cylinder Assist Kits for 2018-2023 WRANGLER - SK689R36JP2-8.0W-2.0

Hydraulic Steering Kit, Big Bore XD Steering Cylinder Assist, Steering Box, Pump, Cylinder 8.00 in., Aftermarket Axle, 2.0 in. Tie Rod, Jeep, Kit

Part Number: PFN-S0077

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

Page 1 of 1