DHD 38 Spline 300M SRW Axle Kit with Locker 2001+ Duramax 11.5 AAM requires-vin Improves CP4 output past 3

Improves CP4 output past 3

but in the event that you want to immediately lock or unlock the converter

Our kits include 300M rifle drilled 38-spline axle shafts splined specifically to our own pitch and pressure angle to increase axle shaft durability

This combination of parts will bullet proof your idler side steering

For years high performance Duramax diesel engines have suffered from water pump failures

DHD 38 Spline 300M SRW Axle Kit with Locker 2001+ Duramax 11.5 AAM requires-vin Improves CP4 output past 3This kit fits SINGLE REAR wheel GM trucks. This extreme duty axle and locker kit from DHD is ideal for those running exotic engine builds with extreme power output. Our kits include 300M rifle drilled 38 spline axle shafts splined specifically to our own pitch and pressure angle to increase axle shaft durability. This specific combination of parts, manufacturers and materials are hand picked by us as result of our own competition vehicles. You wont