6.0L LS Long Block - Street Series Holley They are heat-treated prior to

They are heat-treated prior to thread rolling and machining

High Impedance Injector Drivers will safely power most Stock LS injectors and Holley EFI Injectors

The compact ECU size allows you to mount it virtually anywhere

Same brute strength as the Turbo-Guard Maxx but with smaller holes

GM Muscle Car Pan

6.0L LS Long Block - Street Series Holley They are heat-treated prior toOur street series 6. 0 long block is for those that are looking for even more torque and power than what our 5. 3 based long blocks have to offer. When you step up to the 6. 0 block you now have the choice of a 317 cathedral port head or jumping on up to the L92 LS3 square port head. As you know the square port head opens up the power potential of the LS considerably. Again, we have given you a few of our recommended camshaft selections for this