The roller rockers come as a kit with new studs, push rods, and the rockers. There is no lash setting and a new lifter preload setting is given with the kit. You do have to "machine" the push rod hole in the cylinder head casting because the geometry is a little different with the bigger rockers.

Last edited by Bwitched; 14/04/15 05:07 PM.

"Know the black and white before you walk in the gray"