// THE FULL RUNDOWN

The RockJock Johnny Joint Billet Aluminum RockNut Rear Lower Control Arm Set for JL and JK Wrangler and Unlimited vehicles provide you with extremely heavy-duty, adjustable length control arms to replace your factory control arms. Adjustable control arms are a must for aligning lifted vehicles to get your pinion angle specs. in check!These arms are CNC machined from 7075-T6 aluminum, feature our patent pending RockNut locking nut technology, and our 2 1/2 in. Johnny Joints with a massive 1

// WILL IT FIT? THE STRAIGHT ANSWER

Jeep Wrangler JK

Manufacturer lists this part for the application above. Not 100% sure it fits your rig? Hit our Fitment Help page or ask our Jeep techs — we answer fast and we answer straight.

JAP FITMENT PROMISE // If we confirm fitment for your rig and it doesn't fit, return shipping is on us. No restocking fee. That's the deal.

// GETTING IT TO YOUR GARAGE

FREE SHIPPING OVER $199

Lower 48 states. Orders under $199 ship at calculated carrier rates shown at checkout.

1-2 DAY HANDLING

Most in-stock parts leave the warehouse within 1-2 business days. Built-to-order parts show extended lead times.

FREIGHT FOR THE BIG STUFF

Bumpers, axles and full kits may ship LTL freight. Inspect before signing — note any damage on the delivery receipt.

30-DAY RETURNS

Unused, uninstalled parts in original packaging within 30 days. RMA required — start with a quick message.

FULL SHIPPING & RETURNS POLICY

// PAY YOUR WAY

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BUY NOW, PAY LATER

Split your build into payments — financing options like Affirm and Klarna appear at checkout on eligible orders. Get the lift now, pay as you wheel.

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FITMENT	Jeep Wrangler JK
BRAND	RockJock 4x4 — shop all RockJock 4x4 parts →
PART #	RJ-142602-101
SKU	RJ-142602-101
CATEGORY	Suspension > Handling Arms
AVAILABILITY	IN STOCK
RETURNS	30-day return window

RockJock 4x4 Rear Lower Johnny Joint Control Arms (Aluminum w/ Rocknuts) Jeep Wrangler JK | JL 2007-2023

// THE FULL RUNDOWN

// WILL IT FIT? THE STRAIGHT ANSWER

// GETTING IT TO YOUR GARAGE

// PAY YOUR WAY

// TRAIL REVIEWS

RockJock 4x4 Rear Lower Johnny Joint Control Arms (Aluminum w/ Rocknuts) Jeep Wrangler JK | JL 2007-2023

// THE FULL RUNDOWN

// WILL IT FIT? THE STRAIGHT ANSWER

// GETTING IT TO YOUR GARAGE

// PAY YOUR WAY

MORE JEEP LIFT KITS & SUSPENSION

// TRAIL REVIEWS