Alpine Adjustable Long-Arm Control Arm Kit with Mounting Brackets – 8 pcs for Jeep Wrangler JK (2007–2018)

The Alpine adjustable long-arm control arm kit with mounting brackets provides full adjustment of suspension geometry and maximum reliability for Jeep Wrangler JK models with a 3 to 6-inch lift.

High-quality, maintenance-free OE-style bushings provide excellent vibration and noise damping while improving comfort and stability both on tarmac and off the road.

The mounting brackets were designed using computer modelling for maximum strength. The optimised design integrates the upper and lower mounting points into each bracket, which simplifies installation and retains the factory look.

The kit can be installed on an existing lifted suspension.

✅ Key Benefits

✔ Full adjustment of suspension geometry

✔ Suitable for vehicles with a 3 to 6-inch lift

✔ Improved handling and stability

✔ Reduced vibration and noise

✔ Maintenance-free

✔ Extremely strong construction

✔ Suitable for extreme off-roading and overlanding

✔ Maintains correct suspension operating angles

📦 What’s in the Box

🔹 Alpine adjustable long-arm control arm kit – 8 pcs

• Front upper control arms (#1315520)

• Front lower control arms (#1315500)

• Rear upper control arms (#1315560)

• Rear lower control arms (#1315540)

🔹 Mounting bracket kit

• Front mounting brackets

• Rear mounting brackets

• Rear reinforcement plates

• All required fasteners

🔧 Technical Specifications

📏 Front upper control arms

• Tube diameter: 42 mm

• Wall thickness: 4 mm

• Stock length: 18 3/4”

• Minimum length: 27 3/8”

• Maximum length: 28 7/8”

• Axle bolt: 12 mm

• Frame bolt: 14 mm

📏 Front lower control arms

• Tube diameter: 50 mm

• Wall thickness: 5 mm

• Stock length: 22 5/8”

• Minimum length: 33 3/4”

• Maximum length: 35 1/4”

• Bolts: 14 mm

📏 Rear upper control arms

• Tube diameter: 42 mm

• Wall thickness: 4 mm

• Stock length: 17 7/16”

• Minimum length: 20”

• Maximum length: 21 1/2”

• Bolts: 14 mm

📏 Rear lower control arms

• Tube diameter: 50 mm

• Wall thickness: 5 mm

• Stock length: 19 3/4”

• Minimum length: 35 3/4”

• Maximum length: 37 1/4”

• Bolts: 14 mm

🚗 Compatibility

✔ Jeep Wrangler JK 2-Door (2007–2018)

✔ Jeep Wrangler Unlimited JK 4-Door (2007–2018)

📊 Specifications

🔧 Type: Adjustable long-arm control arm kit with mounting brackets

📏 Lift: 3–6 inches

⚙ Number of control arms: 8

🛠 Installation: Bolt-on

🏔 Intended use: Off-road, overlanding and daily driving

🔩 Material: High-strength steel

🇺🇸 Made in the USA