Rough Country - 11380 - Rear Upper X-Flex Adjustable Control Arms for Jeep: 07-18 Wrangler JK 4WD, 07-18 Wrangler Unlimited JK 4WD/2WD Features: Fully greasable.; Upper joints pivot up to 20 degrees.; Lower joints pivot up to 35 degrees.; Allows for greater articulation off-road. Fits: 2007-2018 4WD Jeep JK Wrangler; 2007-2018 4WD Jeep JK Wrangler Unlimited; 2007-2018 2WD Jeep JK Wrangler Unlimited Kit Contents: Rear upper adjustable control arms; Flex joints; Hardware Specs: SKU: 11380; Install Time:3-4 hours Fitment: 2007-2018 4WD Jeep Wrangler JK;2007-2018 4WD Jeep Wrangler JK Unlimited; 2007-2018 2WD Jeep Wrangler JK Unlimited