Rock Rail Running Boards for GM HD trucks
For technical assistance or to obtain missing parts, please call Customer Relations at 1-800-241-7219.
Important Safety Information
• To be used with Lund® branded products only.
• Do not stand on Lund running board or bracket while vehicle is in motion.
• Do not use the brackets as a jacking point for the vehicle.
• Do not use the bracket system or running boards to fasten cargo.
• Periodically check all components for tightness.
• Be sure to wear safety glasses while installing brackets.
•When using power tools, read and understand all operating instructions.
Contents
NOTE: Actual product may vary from illustration. (Extended / double cab kit contains fewer parts.)
Driver Side Running
Board
Tools Required
Ratchet and Extension
Preparation Before Installation
• Park your vehicle in a clean, level location. Check to make sure the vehicle is in park, or for manual drive models, place the
transmission in first gear. Engage the parking brake. Chock wheels.
• Unpack the kit and identify the parts according to the content descriptions.
• An assistant is recommended to help position the running board properly during the installation.
Installation Instructions
For proper installation and best possible fit, please read all instructions BEFORE you begin.
Passenger Side Running
Board
Socket Set
(12) M8 U-nut
(16) M8 Flat
Washer
Wheel Chocks
Page 1 of 4
I - Sheet Number LUNDRB27 Rev.A
Lund Part# 26410027
(16) M8 Flat
(16) M8x30
Washer
Hex Bolt
Grease Pencil
Safety Glasses