Ultimate Leveling Kit for 2011-2019 GM 2500HD/3500HD 2WD/4WD trucks.
We’ve hand selected all the parts of the Cognito Ultimate Leveling Kit for 2011-2019 Chevrolet and GMC 2500HD / 3500HD 2WD/4WD trucks to ensure a perfect fit. This kit includes the Cognito Ball Joint SM Series Upper Control Arm Kit, Torsion Bar Adjuster Keys, Cognito Pitman and Idler Arm Support Kit, front and rear Fox Performance Series Monotube shocks and front shock spacers to maximize droop travel.
The Cognito Ball Joint SM Series Upper Control Arms feature boxed sheet metal arms that are CNC robot welded and finished with a durable semi-gloss black powder coating. Alloy series ball joints are included as well as new crush sleeves and polyurethane bushings. The Cognito Ball Joint SM Series Upper Control Arms adds performance to the Chevy and GMC truck by correcting the ball joint angle for lifted and leveled applications, increasing droop travel, and increasing caster slightly for better highway speed drivability.
The Cognito PISK (Pitman & Idler Arm Support Kit) replaces the problem components that plague factory and aftermarket steering systems on several models and years of GM trucks & SUVs.
These improvements are accomplished through application of Cognito's innovative, patented design, by providing additional support to the vehicles pitman and idler arms, which eliminate the forward and rearward movement of the center-link. Fox 2.0 Performance Series IFP smooth body shocks contain the latest in shock technology to transform the performance of your Truck or SUV. They use race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions.
110-90298 - Cognito Ball Joint SM Series Upper Control Arm Kit
110-90698 - All-New Forged Cognito Pitman and Idler Arm Support Kit
110-90270 - Torsion Bar Adjuster Key Kit
210-90211 (2) - Fox 2.0 Performance Series Monotube Front Shocks
210-90212 (2) - Fox 2.0 Performance Series Monotube Rear Shocks
Corrected ball joint angle to withstand higher control arm operating angles
28% more suspension travel can be achieved over stock
Bolt in ball joint style bolts in secure and is an easy installation
These UCA were designed with extra caster to your steering geometry to provide better drivability on highway.
Achieved ride quality and handling with the addition of NEW - FOX Performance Series Mono Tube 2.0" shocks designed with shock valving for this package.
Will work on Stabilitrack year trucks.
Does NOT widen front track width.
Does NOT change towing ability.
No cutting or welding required.
Tire & Wheel Fitment:
Recommended maximum tire size for best results - 33" Tall x 11.50" wide tire.
Recommended maximum aftermarket wheel for BEST results - 9" wide with backspacing between 4.75"-5.25"
Dual rear wheel trucks will fit up to a 33" Tall x 11.50" wide tire on factory wheels, but will require a rear wheel spacer between the dual wheels.
There are many wheel and tire combinations that "can work" on this package (some better than others) The key is to keep the wheel and tire combo from sticking out of the wheel opening so you have little to no rubbing on the fender and/or bumper when turning. Avoiding too large of a backspace is also a key in eliminating rubbing, so that your tire is not close to the UCA area.
2001-2007 Classic Body Chevy/GM trucks have a larger wheel opening, on 2007.5-up new body style trucks slight to large amount of trimming may be required depending on your wheel and tire combo. NCT.com has instructions on a very clean DIY fender mod that is available if requested with your purchase to better help you gain tire clearance.
*Please check out the pictures above that display the wheel and tire specs that we have used with this package.
Over-Cranking the suspension and reducing the ride height drop travel will affect the ride quality, and is not recommended.
The distance between the center hub and fender should be NO-MORE than 27" distance at ride height.
A "Leveling" kit is designed to level a HD truck, but if you would like to add a block to the rear to regain a "rake" stance you can. We recommend between a 1"-1.5" to retain a factory looking stance or "rake".
DIYer common install time 4.5-6 Hours (Pending added upgrades)
Have the vehicle professionally aligned according to the alignment specifications located in the installation instructions.
Are you doing the install yourself? All NorCalTruck.com customers get exclusive private tech support by someone that has direct install knowledge with this product, so you can purchase with confidence and perform your own install.
Drop Down Option Info to add to your package:
We are happy to help you add what options will be best suited for you and your needs. Please use this info to help you add to your order.
"Block & U-bolt" kit options, this package is designed to level the front of a HD but if you would like to retain the "rake" stance you may add a rear block & u-bolt kit to lift the rear. Please note that the leveling package WILL NOT leveling the front to match the rear truck height if adding a block & u-bolt kit. When adding a block & u-bolt kit your shocks in the package will be corrected for the added size blocks. Block & U-bolt kits are not recommended to be used if installing this leveling package on a dually rear wheel truck, they already sit higher than a single rear wheel truck.
2011 Chevy 2500HD with our NorCalTruck.com Ultimate Leveling Package, running Toyo M/T 275/70r18 (33.27x10.94) on a 18x9 4.5" bs wheel, plus NCT Large fender mod.
Height x Length x Width (DIM):
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