TeraFlex JK: Alpine Long Arms and Long Arm Brackets (Not Included) provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 3-6 Inch Lifts. High-quality, dependable, maintenance-free, factory-style bushings provide excellent NVH damping and ride quality. MUST be used with Long Arm Bracket Kit (# 1957000) - Not Included. Can be added to any existing suspension lift.Includes: Alpine Long Arm Pairs: Arm Pair - Front Upper (# 1315520) Arm Pair - Front Lower (# 1315500) Arm Pair - Rear Upper (# 1315560) Arm Pair - Rear Lower (# 1315540) Fitment: JK Wrangler (2-door) JK Wrangler Unlimited (4-door) Specs: Lift Height: 3-6 Inch Control Arm Specs: JK: Alpine Long Arm Pair - Front Upper (# 1315520): Tube Diameter & Wall: 42mm x 4mm Factory Length: 18-3/4 Inch Min. Length: 27-3/8 Inch Max. Length: 28-7/8 Inch Bolt - Axle: 12mm Bolt - Frame: 14mm Bushing - Axle: OEM Bushing - Frame: 611013 JK: Alpine Long Arm Pair - Front Lower (# 1315500): Tube Diameter & Wall: 50mm x 5mm Factory Length: 22-5/8 Inch Min. Length: 33-3/4 Inch Max. Length: 35-1/4 Inch Bolt - Both: 14mm Bushing - Both: 611011 JK: Alpine Long Arm Pair - Rear Upper (# 1315560): Tube Diameter & Wall: 42mm x 4mm Factory Length: 17-7/16 Inch Min. Length: 20 Inch Max. Length: 21-1/2 Inch Bolt - Both: 14mm Bushing - Both: 611012 JK: Alpine Long Arm Pair - Rear Lower (# 1315540): Tube Diameter & Wall: 50mm x 5mm Factory Length: 19-3/4 Inch Min. Length: 35-3/4 Inch Max. Length: 37-1/4 Inch Bolt - Both: 14mm Bushing - Both: 611011
