LZ1

[Editor’s Note: This LZ1 engine upgrade guide is the second in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing. The LZ1 engine […]

The LZ1 is a 6.0L, Gen. 4 small block engine used in GM hybrid trucks and SUVs between 2010 and 2013, replacing the LFA (2008-09) as the LS engine family’s […]