The Thule TracRac Base Rails are one of two components used to create a Thule Sliding Truck Rack System. The Thule SR Base Rails are sold in multiple sizes to fit different trucks and truck bed lengths. Once you have combined the Base Rails with the Thule Overhead rack you will have the perfect sliding truck rack. The rails are made of anodized aluminum and come in a black hard coated finish. No drilling or bolting is required to mount most of the base rails.

Features:

• Fits Nissan Frontier crew cabs
• Black Hard-Coat Anodized Aluminum Finish
• No Drilling Required
• Includes all Required Mounting Hardware
• Quick installation without drilling into the truck.

Note: Requires Thule TracRac SR Overhead Rack or Thule Xsporter Pro Shift Overhead Rack (sold separately).

Specifications:

• Length - 57in
• Width - 4in
• Height - 1.9in
• Part Number: 21603

Fits:

• 2005+ Nissan Frontier