11-16 Duramax Fabtech 4" Uniball Upper Control ArmsFeatures & Benefits Arms eliminate upper ball joint w super strong 1 ID Stainless American Uniball Chromoly tubing reduces flex found in stock arms for more positive road feel 17 4 Stainless Steel Heat treated Uniball pin fits into factory ball joint taper without modification to the spindle for easy return to stock feature Arms are direct replacements for factory arms on suspensions that require additional strength and align ability Material

SMARTY TOUCH FEATURES:

SCT's Pre-loaded Dyno Proven tune files optimize the vehicle's Air / Fuel Ratio

Comes ready to install with new bolts

Christmas-tree lighting

For those that prefer pillar mounting

High-Resolution

you have full precise adjustability with 8 dial settings and mid settings (16 total) through the fuel spectrum with only one rotation of the knob

Easy to install with basic hand tools

To minimize EGT's

computer upgrades

(1) - EGR Valve Cooler Gasket

Crank Case Vent Filters