RockJock High Steer Knuckles

2007–2011 Jeep Wrangler 3.8L V6, 2012–2017 Jeep Wrangler 3.6L V6, 2018 Jeep Wrangler JK 3.6L V6

Part #: RJ-437100-101

Overview

The RockJock High Steer Knuckles are engineered specifically for Jeep Wrangler JK and Unlimited models equipped with 3.6L and 3.8L V6 engines from 2007 through 2018. Designed to elevate your vehicle’s steering geometry, these knuckles raise both the tie rod and drag link by 2.75 inches, providing improved clearance and enhanced off-road capability. Ideal for enthusiasts seeking a reliable upgrade to accommodate larger tires and suspension lifts, these knuckles work seamlessly with factory axles or those retaining factory inner C-knuckles.

By integrating RockJock’s high steer components, these knuckles enable precise adjustment of steering geometry, allow for easy installation of hydraulic assist steering rams, and facilitate the repositioning of stabilizer shocks to a higher, protected location. This upgrade is a crucial step for serious off-roaders aiming to maintain optimal steering performance and durability on demanding terrain.

Key Features

RockJock High Steer Knuckles combine robust design with practical enhancements to deliver superior steering control and durability. Key features include:

• Raises tie rod and drag link by 2.75 inches for improved steering geometry
• Compatible with factory axles or axles retaining factory inner C-knuckles
• Premium iron castings with gloss black finish for corrosion resistance and durability
• Precision machining ensures a perfect fit and factory-like installation
• Extra threaded steering stop bolt holes ahead of the axle for dual steering lock stops
• Designed to integrate with RockJock’s high steer kits for a complete upgrade package
• Allows easy installation of hydraulic assist steering rams or repositioning of stabilizer shocks
• Supports use with adjustable front bump stop kits for maximum suspension travel

Construction & Design

Manufactured to exceed OEM standards, RockJock High Steer Knuckles utilize premium iron castings that provide exceptional strength and durability under extreme off-road conditions. The gloss black finish not only enhances corrosion resistance but also delivers a clean, professional appearance. Each knuckle is precisely machined to ensure seamless compatibility with factory components, allowing for straightforward installation without the need for extensive modifications.

The design incorporates additional threaded holes for steering stop bolts, enabling the addition of a second set of stops to protect steering components by limiting excessive wheel travel. This thoughtful engineering reduces strain on the steering system and enhances overall vehicle reliability during aggressive off-road maneuvers.

Installation & Fitment

Installation of the RockJock High Steer Knuckles is straightforward for experienced mechanics and off-road enthusiasts familiar with axle and steering component upgrades. These knuckles are intended for use on 2007–2018 Jeep Wrangler JK models with 3.6L or 3.8L V6 engines and fit factory axles or those retaining factory inner C-knuckles. For optimal results, it is highly recommended to pair these knuckles with RockJock’s complete high steer kits, which include forged drag links, chromoly tie rods, trac bars, and mounting hardware designed to accommodate the raised steering geometry.

Using the recommended kits ensures proper alignment, geometry adjustments, and the ability to install hydraulic assist steering rams or reposition stabilizer shocks at a higher, protected height. Additionally, pairing with RockJock’s adjustable front bump stop kit is advised to maximize suspension travel and prevent component damage.

What's Included

• One pair of RockJock High Steer Knuckles with gloss black finish
• Extra threaded steering stop bolt holes for dual steering stops
• Precision-machined mounting surfaces for factory-style installation

Ideal For

These high steer knuckles are perfect for Jeep Wrangler JK owners who have lifted their vehicles and require improved steering geometry to accommodate larger tires and suspension travel. Off-road enthusiasts looking to upgrade their steering system for enhanced durability, reduced component strain, and compatibility with hydraulic assist steering systems will benefit greatly from this product. Whether you’re tackling rock crawling, trail riding, or heavy-duty off-road use, RockJock High Steer Knuckles provide a reliable foundation for superior steering performance.

RockJock 4x4 by John Currie develops trail-proven suspension and steering components for Jeeps and modern off-road platforms, including complete lift systems and the well-known AntiRock sway bar setups. Built around durable, articulation-friendly designs, RockJock is a go-to for enthusiasts who want confident road manners and real capability when the terrain gets technical.