The Fabtech 4″ Ultimate System with Ball Joint UCA & Performance Shocks is the perfect kit for those looking for a medium lift and want a 35″ tire on their 2011-2016 Chevy Duramax LML Trucks. The kit comes with brand new upper Control Arms that are constructed of 1.50″ OD .120″ thick wall DOM tubing that attaches to the heavy duty Fabtech ductile iron steering knuckles. New forged adjusting keys are included to provide the proper amount of lift and the torsion bars remain in the stock position. Everything you need is included in the kit and some cutting is required based upon tire size.

Attention

• Will not fit standard cab models.
• Will not fit 17″ wheels.
• Requires cutting of Fender Well sheet metal for use with 35″ tires

Features:

• 4″ Lift
• Front and Rear Performance Shocks
• Upper Control Arms
• Forged Adjusting Keys
• Ductile Iron Steering Knuckles

Tire Fitment:

• 33/12.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 33/12.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 35/13.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting
• 35/13.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting

The Fabtech 4″ Ultimate System with Ball Joint UCA & Dirt Logic Shocks is the perfect kit for those looking for a medium lift, great off-road performance, and want a 35″ tire on their 2011-2016 Chevy Duramax LML Trucks. The kit comes with brand new upper Control Arms that are constructed of 1.50″ OD .120″ thick wall DOM tubing that attaches to the heavy duty Fabtech ductile iron steering knuckles. New forged adjusting keys are included to provide the proper amount of lift and the torsion bars remain in the stock position. Everything you need is included in the kit and some cutting is required based upon tire size.

Attention

• Will not fit standard cab models.
• Will not fit 17″ wheels.
• Requires cutting of Fender Well sheet metal for use with 35″ tires

Features:

• 4″ Lift
• Front and Rear Dirt Logic Shocks
• Ball Joint Upper Control Arms
• Forged Adjusting Keys
• Ductile Iron Steering Knuckles

Tire Fitment:

• 33/12.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 33/12.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 35/13.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting
• 35/13.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting

The Fabtech 4″ Ultimate System with Uniball UCA & Performance Shocks is the perfect kit for those looking for a medium lift, great off-road performance, and want a 35″ tire on their 2011-2016 Chevy Duramax LML Trucks. The kit comes with brand new upper Control Arms that are constructed of .120″ wall 4130 Chromoly tubing with a 1.50″ OD and 1″ FK Stainless PTFE Uniballs. These unique upper Control Arms allow for 9″ of front wheel travel. This kit also includes heavy duty ductile iron steering knuckles and forged adjusting torsion bar keys for providing the proper amount of lift without CV bind. Everything you need is included in the kit and some cutting is required based upon tire size.

Attention

• Will not fit standard cab models.
• Will not fit 17″ wheels.
• Requires cutting of Fender Well sheet metal for use with 35″ tires

Features:

• 4″ Lift
• Front and Rear Performance Shocks
• Uniball UCA Upper Control Arms
• Forged Adjusting Keys
• Ductile Iron Steering Knuckles

Tire Fitment:

• 33/12.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 33/12.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 35/13.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting
• 35/13.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting

The Fabtech 4″ Ultimate System with Uniball UCA & Dirt Logic Shocks is the perfect kit for those looking for a medium lift, amazing off-road performance, and want a 35″ tire on their 2011-2016 Chevy Duramax LML Trucks. The kit comes with brand new upper Control Arms that are constructed of .120″ wall 4130 Chromoly tubing with a 1.50″ OD and 1″ FK Stainless PTFE Uniballs. These unique upper Control Arms allow for 9″ of front wheel travel. This kit also includes heavy duty ductile iron steering knuckles and forged adjusting torsion bar keys for providing the proper amount of lift without CV bind. Everything you need is included in the kit and some cutting is required based upon tire size.

Attention

• Will not fit standard cab models.
• Will not fit 17″ wheels.
• Requires cutting of Fender Well sheet metal for use with 35″ tires

Features:

• 4″ Lift
• Front and Rear Dirt Logic Shocks
• Uniball UCA Upper Control Arms
• Forged Adjusting Keys
• Ductile Iron Steering Knuckles

Tire Fitment:

• 33/12.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 33/12.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ minor trimming
• 35/13.50R18 tire w/ 18x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting
• 35/13.50R20 tire w/ 20x9 wheels w/ 5 3/4″ BS w/ Fender Well cutting