** Please see"Drop Down Options Info: "Below to answer if a certain add on is right for you **
Stage 7 "Severe Duty" UCA Package
Suspension packages are designed exclusively by NorCalTruck.com and are geared towards matching our customers with the product that suits their needs. These packages deliver performance for any budget. Our customers can choose a package that meets their immediate needs and expectations, but also in most cases, can be upgraded at any point in the future.
Application: 2011-2019 Chevy/GM 2wd/4wd 2500HD & 3500HD including dually
This "Severe Duty" package stage is a notch above the performance stage package. This package has Fox Performance Series Mono Tube Resi 2.0" shocks, The Severe Duty UCA Package is designed to take heavy towing and off road performance to the next level, while gaining more than standard off road performance. With this package you can now feel more control for longer distance off road use on mild washboard roads or terrain, without fading 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" shocksdesigned 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.
Lift "keys" are not included but may be needed, see below options.
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)
Click Here for Upper Control Arm Installation Instructions.
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.
"Single or Dually rear wheel truck"- Depending on single or dually rear wheel it will require a certain rear shock for this package so please let us know if your truck is a dually or single rear wheel truck.
"Lift Keys" - are not included but may be needed. Please use the following info for our recommendation based off our passed working with these trucks. After use the drop down options list to add lift keys if needed.
2011-2019 Single wheel - We have seen these years trucks be able to reach full adjustment with factory keys so we feel if you are watching your budget these years trucks 90% of the time do not require to purchase. If you choice to add lift keys you will not harm the ride quality as long as you stay within the ride height guide lines.
2011-2019 Dual rear wheels - Because a dual rear wheel 3500 truck sits alot higher than a single wheel 2500 it is not possible to completely level this truck and at the same time we have found that dual rear wheel trucks do need extra adjustment not found in the factory keys so we suggest to purchase lift keys to achieve full adjust out of the front suspension with in the guide lines.
"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 Stage 6 Performance UCA package, Factory keys running Toyo M/T 275/70r18 (33.27x10.94) on a 18x9 4.5" bs wheel, plus NCT Large fender mod.
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