The Artec ET4 front long-arm upgrade for 2018–2025 Jeep Wrangler JLU uses 4130 DOM steel links to strengthen front suspension connections. Supplied as a replacement long-arm package, it upgrades stock components with heavy-duty steel links to improve durability and articulation in off-road driving while maintaining fitment for the stated JLU model years.
Artec Industries 18-25 Jeep Wrangler JLU Front Et4 Long Arm Upgrade 4130 Dom Steel Links