Sick Diesel LED Power Grille Light Bar 20-23 GMC Sierra 2500/3500 AT4 GH-523 The MK-7 also replaces the

The MK-7 also replaces the restrictive factory supply line between the stock filter housing and the VP44 injection pump with upgraded high-flow fuel lines and fittings

and we can attest 100% that this system will completely change the driving characteristics of any lifted truck for the better

the 4°-5° spec is superior in these applications and these are FAR easier to install initially

75-6” of backspacing

Sure cure valve body calibration kit

Sick Diesel LED Power Grille Light Bar 20-23 GMC Sierra 2500/3500 AT4 GH-523 The MK-7 also replaces theGive your GMC 2500 3500 AT4 a bold, factory inspired upgrade with this custom fit LED Grille Light Bar. Designed to install directly into the factory grille without cutting or modifications, it delivers a crisp white glow that enhances your truck's appearance while maintaining a clean OEM look. Built for year round durability, the IP67 rated housing is fully sealed against water, dust, road salt, and harsh weather, while the high quality LEDs are