The LS7 conversion kit replaces the faulty (at high RPMS) stock rocker arm fulcrum assembly and replaces it with a competent high RPM assembly. This is done by using a quality alloy steel fulcrum, that is heat treated, centerless ground and a heavy duty caged bearing that is being retained with snap rings and washers. Also included with the kit, 16 class 12.9 alloy 8mm socket head cap screws. Kit Includes: New trunion, New bearings, snap rings, washers and bolts *Kit uses stock rocker pedestal