Welcome To Merchant Automotive—The Duramax Diesel Engine & Allison Transmission Performance Specialists You Can Count On!

Timbren Timbren Front Load Booster, Duramax | 1996 - 2010


Due to daily fluctuating stock levels, please call (616) 772-9551 for time sensitive orders.

Our Guarantees

Truck Expert a call away The fastest shipping lifetime customer support

Product Information

GMFK25S* replaces the bumpstops on the front suspension of the 1996-2010 GMC Sierra and Chevy Silverado K2500 4WD pickup truck models with cast lower control arm. 

This kit is rated at 14,000 lbs capacity. Even though you’re increasing the spring rate by adding this upgrade, this does not increase the GVWR (Gross Vehicle Weight Rating). 

Please make sure that the load does not exceed the GVWR set by the manufacturer.

Reviews & Questions