ReadyLIFT 1-Inch Rear Block Kit 11-25 GM 2500/3500 6.6L Duramax LML/l5P JKS-JSPEC158KFA These engines often operate under

These engines often operate under conditions of increased boost pressure and higher RPMs

Designed for both highway and off-road

SuspensionMAXX has this torsion key kit that enables you to raise the front end of the truck

resulting in improved engine performance and turbo efficiency

This cap is constructed of billet aluminum and installs by simply pressing this cap over the factory cap

ReadyLIFT 1-Inch Rear Block Kit 11-25 GM 2500/3500 6.6L Duramax LML/l5P JKS-JSPEC158KFA These engines often operate underThe ReadyLIFT Rear Block Kits is available for the 2011 Current GM 2500 3500 HD single rear wheel pickups. These Rear Block Kits include two (2) 1" Rear Blocks, four (4) E Coated U Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2WD and 4WD 8 lug Single Rear Wheel GM trucks with trailer package spring 1". Based on OEM designs and never made out of lightweight extrusions our 1" GM Blocks are made from cast iron just like the