Royalty Core RC1 Classic Grille, 2003-2006 Sierra LB7/LLY/LBZ

Part# 13658

$799.00 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2003 thru 2006 GMC Sierra 2500HD/3500HD LB7/LLY/LBZ Duramax Diesel

*Please allow 2 weeks before shipment as item are special order*

Royalty Core's classic RC1 grille design has clean lines with a dynamic 2-tone appearance for truck enthusiasts looking to make a bold statement. This RC1 design screams one custom grille and it shows with a distinct footprint. This grille exposes Royalty Core's race proven diamond mesh for accelerated airflow and appearance.

Each grille has been rigorously tested by Royalty Core engineers
to maximize protection, appearance, and performance on and off-road. Lab tried
with rapid salt and chemical spray tests proving the most resilient grille on
the market against the harshest conditions. Simple direct bolt on Royalty Core grilles
are engineered to exploit the cleanest installation possible for your specific
truck model.

Royalty Core's proprietary corrosion resistant stainless technology creates the most durable grille on the planet. It's engineered to exploit the cleanest installation possible for your specific truck model. This Royalty Core grille is customized to best match your truck with military grade strength you can count on such as a 12 gauge stainless steel construction, optimal mounting brackets, CNC precision machined brackets, frame, and logos, hand fabricated, all gloss surfaces are buffed to a deep smooth mirrored finish, triple chrome plated T304 stainless studs around frame with star flange design, stainless super woven mesh, and absolutely no plastic. Royalty Core offers the industry's largest customized line of grilles and logos available.


  • Classic RC1 Design with frame/surround
  • Grille insert, installs into factory grille
  • Optional mesh diamond crimp sizes
  • TIG welded reinforced mesh for maximum strength & longevity
  • T304 Stainless Studs around Frame-Star Flange design
  • Studs are extremely resilient, corrosion resistant, & sealed with Nickel
  • Black 2-Tone RC1 Badge, removable and changeable with other Logos
  • Custom options available, choose options when ordering
  • Fully assembled with optimal install hardware & instructions
  • Top of the line precision quality
  • Lifetime Warranty