Fitment Information Jeep Grand Cherokee (WD) 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 The Front Lower Mounts are now INCLUDED! Not All trim models have a factory front sway bar, but front lower mount w/ end link brackets will work for both. Specs & Features 40 way adjustable dampers (soft to firm) Spring Rate: Front: 16 kg/mm (896 lbs/inch) Rear: 18 kg/mm (1008 lbs/inch) Front camber plates: No Includes a full set of 4 52mm carbon steel shock body Monotube Shock 1 Year Warranty from date of purchase Part Number: MMX2139 Product Description The Godspeed Project MAXX coilovers are for the tuners that want a track oriented setup that also provides daily commute comfort. With 40 levels of damping valve adjustment, you can easily adjust from stiff to soft simply by twisting the knob. Featuring mono-tube design with large capacity 52 mm dia. JIS seamless carbon steel shock body filled with IP F.A. 5W damper oil with properly valved 44 mm internal pistons to endurance competitiveness on a track course or daily spirited driving on public road. Cold wound springs are made from high tensile SAE9252 steel to ensure durability. Vehicle ride heights are adjusted with lower brackets to offer maximum shock travel in order to provide comfort compared to lowering springs alone. Mostly billet aluminum hardware accessories are used for its weight saving property in order to reduced overall weight of the coil-over system yet remain durable. All parts are replaceable and most importantly shock absorbers can be rebuild for customization or simply purchase replacement cartridge without spending too much for complete new coil-over system. You will experience quicker response times, improved bump absorption and increase grip to increase the safety when pushing your car to the limit!Improved Springs Rate To Help Ride Handling And Response 40 precise levels of damper adjustment Mono-tube Design With Anodized Shock Body Lightweight aluminum shock components and T7075 forged aluminum / carbon steel brackets. 52 mm carbon steel shock body with a 44 mm internal piston. Independent ride height and spring pre-load adjustments. Italian IP F.A made shock oil with a high viscosity index. Front camber adjustable plates are included(whereas applicable) 1 Year Warranty from Date of Purchase GodSpeed offers a 1 Year Warranty from date of purchase when purchased from an Authorized Dealer such as Redline360. GodSpeed requires proof of purchase from an authorized dealer.