Product Description
Upgrade your Jeep JK steering performance with the PSC SK688R38JP1-8.0W-2.0 Cylinder Assist Steering Kit, engineered specifically for 2007-2011 Jeep Wrangler JK and JK Unlimited models equipped with the 3.8L engine. This complete steering upgrade package features PSC’s industry-leading BIG BORE XD steering gearbox combined with an 8.0-inch stroke hydraulic assist cylinder and weld-on axle mounts designed for high-strength aftermarket axle systems. Designed for Jeep owners running large off-road tires, locking differentials, and heavy-duty Dana 60 or similar aftermarket axles, this PSC steering system dramatically reduces steering effort while improving steering precision and control. The included high-performance power steering pump kit provides increased fluid flow and pressure to support hydraulic assist steering under extreme load conditions. PSC’s cylinder assist steering kits are engineered to relieve stress on factory steering components while improving steering torque output. The included 2.0-inch tie rod clamp ensures compatibility with larger heavy-duty steering linkages commonly found on off-road builds. With all required hoses, fittings, brackets, and hardware included, the SK688R38JP1-8.0W-2.0 provides everything needed to transform the steering capability of your Jeep JK.
Fitment
- 2007 Jeep Wrangler JK – 3.8L
- 2008 Jeep Wrangler JK – 3.8L
- 2009 Jeep Wrangler JK – 3.8L
- 2010 Jeep Wrangler JK – 3.8L
- 2011 Jeep Wrangler JK – 3.8L
- 2007-2011 Jeep Wrangler JK Unlimited – 3.8L
Note: Designed for vehicles equipped with aftermarket front axles and weld-on steering assist tabs. Ideal for heavy off-road builds running oversized tires and upgraded steering components.
Specifications for psc SK688R38JP1-8.0W-2.0
| Specification | Details |
|---|---|
| Manufacturer | PSC Motorsports |
| Part Number | SK688R38JP1-8.0W-2.0 |
| UPC | 687927188570 |
| GTIN | 687927188570 |
| Cylinder Stroke | 8.0 Inch |
| Tie Rod Clamp Size | 2.0 Inch |
| Mount Style | Weld-On Axle Mount |
| Steering Gear | PSC BIG BORE XD Steering Gearbox |
| Shipping Info | Ships via UPS / Freight depending on location |
| Prop 65 | WARNING: Cancer and Reproductive Harm – https://www.P65Warnings.ca.gov |
Frequently Asked Questions
What is a cylinder assist steering system?
A cylinder assist steering system uses a hydraulic ram connected to the steering linkage to provide additional steering force. This dramatically reduces steering effort when running oversized tires, lockers, or heavy off-road axles.
Is this kit designed for stock Jeep axles?
No. This version is intended for aftermarket front axles and steering setups that require weld-on mounting tabs and larger steering linkages.
What components are included in the kit?
The PSC kit includes a BIG BORE XD steering gearbox, high-performance power steering pump kit, hydraulic assist cylinder, hoses, fittings, brackets, and installation hardware.
Will this improve steering with large tires?
Yes. Hydraulic assist steering dramatically reduces steering effort and improves control on vehicles running large tires, heavy wheels, or off-road suspension setups.
Why choose PSC steering components?
PSC Motorsports is widely regarded as the industry leader in hydraulic steering technology, providing high-performance steering systems used in rock crawling, desert racing, and extreme off-road applications.
