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Home Chassis & Suspension Steering Components PSC Jeep JK Big Bore XD Steering Cylinder Assist Kits SK688R38JP1-8.0W-1.75
Trail Gear Hydraulic Steering Kits TGI-309377
Trail Gear Hydraulic Steering Kits TGI-309377 $1,769.00
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PSC Jeep JK Big Bore XD Steering Cylinder Assist Kits SK688R36JP1-6.75W-1.5
PSC Jeep JK Big Bore XD Steering Cylinder Assist Kits SK688R36JP1-6.75W-1.5 $2,050.00

PSC Jeep JK Big Bore XD Steering Cylinder Assist Kits SK688R38JP1-8.0W-1.75

$2,244.00

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

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Category: Steering Components
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Description

Overview

Brand: Performance Steering Components PSC
Manufacturer’s Part Number: SK688R38JP1-8.0W-1.75
Part Type: Hydraulic Steering Kits
Product Line: PSC Jeep JK Big Bore XD Steering Cylinder Assist Kits
Summit Racing Part Number: PFN-S0040
UPC: 687927188563
Steering Box Included: Yes
Steering Pump Included: Yes
Steering Cylinder Included: Yes
High-Pressure Hoses Included: Yes
Fittings Included: Yes
Mounting Brackets Included: Yes
Mounting Hardware Included: Yes
Quantity: Sold as a kit.
Notes: Fits 3.8L engine models. Weld-on kit comes with 1.75 in. tie rod clamp and 8.00 in. stroke steering assist cylinder for aftermarket axles.

PSC Jeep JK Big Bore XD Steering Cylinder Assist Kits

PSC has taken the Jeep JK steering system back to the drawing board and engineered their exclusive Jeep JK Big Bore XD steering cylinder assist kits. These kits resolve the original steering issues, and efficiently handle the increased torque loads on vehicles equipped with up to 44 in. tires, upgraded aftermarket axles, differential lockers, or any combination thereof. These are the ultimate steering upgrade packages, and PSC includes everything needed for a successful install.

Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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