+3 Throttle Pedal Spring Upgrade for 2001-2005 LB7-LLY 6.6l Duramax KB-6.6l-LB7LLY-TPSU $14.95 In stock Quantity: 1 Add to Bag Product Details Is your throttle pedal sensitive on your LB7-LLY truck? This is a common complaint especially on trucks equipped with a manual ZF6 transmission.Features Installed in place of factory spring Provides a less sensitive throttle Prevents lurching of the truck in low gears Fits: 2001-2005 6.6l LB7-LLY 6.6l Duramax 2500/3500 trucks. Save this product for later Favorite