McBay Performance

SuspensionMAXX · Part SMX-MC2HD

MAXXCam HD Adjustable Front Torsion Key Leveling Kit

Adjust front ride height by up to 2.5 inches on the compatible GM trucks and SUVs listed below.

Made in the USA

Choose American manufacturing and documented kit features when comparing leveling kits—not price alone. SuspensionMAXX combines the materials and application-specific components listed below with a limited lifetime structural warranty for the original purchaser. Compare construction, included components and warranty coverage to understand what your purchase includes.

Features

  • Seven selectable cam positions for ride-height adjustment
  • 4140 heat-treated alloy-steel torsion keys
  • Includes shock extension brackets for use with the original shocks
  • Made in the USA

Vehicle Fitment

Confirm your vehicle, suspension type and the application notes below before ordering.

Chevrolet

  • 2002–2006 Avalanche 2500 — 4X4 only
  • 2001–2003 Silverado 1500 HD — 4X4 only
  • 2005–2006 Silverado 1500 HD — 4X4 only
  • 2007 Silverado 1500 HD Classic — 4X4 only
  • 1999–2010 Silverado 2500 — 4X4 only
  • 2001–2010 Silverado 2500 HD — 4X4 only
  • 2007 Silverado 2500 HD Classic — 4X4 only
  • 2001–2010 Silverado 3500 — 4X4 only
  • 2007 Silverado 3500 Classic — 4X4 only
  • 2007–2010 Silverado 3500 HD — 4X4 only
  • 2000–2013 Suburban 2500 — 4X4 only

GMC

  • 2001–2003 Sierra 1500 HD — 4X4 only
  • 2005–2006 Sierra 1500 HD — 4X4 only
  • 2007 Sierra 1500 HD Classic — 4X4 only
  • 1999–2004 Sierra 2500 — 4X4 only
  • 2001–2010 Sierra 2500 HD — 4X4 only
  • 2007 Sierra 2500 HD Classic — 4X4 only
  • 2001–2006 Sierra 3500 — 4X4 only
  • 2007 Sierra 3500 Classic — 4X4 only
  • 2007–2010 Sierra 3500 HD — 4X4 only
  • 2000–2013 Yukon XL 2500 — 4X4 only

Hummer

  • 2003–2009 H2 — 4X4 only

What Is Included

Adjustable front torsion keys, two shock extension brackets and mounting hardware.

SuspensionMAXX limited lifetime structural warranty for the original purchaser; replacement parts only. Labor and other incidental costs are not covered.

Installation Note

Professional installation is recommended. Follow the supplied instructions and vehicle service specifications. A front wheel alignment may be required after installation. Check suspension travel and tire clearance before driving.