Tuff Country 10905 shock extension kit contains replacement parts for Tuff Country 13085 3.5 inch suspenion lift. Will allow for stock length shocks to be used with lift kit.
Details:

• Shock Extension Kit
• Hardware included
• Allows use of factory shocks with lift kit
• Billet Aluminum
• Easy installation
• Made in the USA
• Sold As A Kit

Fits:

• 2011-Present Chevrolet Silverado 2500HD 4WD/2WD
• 2011-Present Chevrolet Silverado 3500HD 4WD/2WD
• 2011-Present GMC Sierra 2500HD 4WD/2WD
• 2011-Present GMC Sierra 3500HD 4WD/2WD